Continued:
[core.git] / framework / main / classes / class_BaseFrameworkSystem.php
index ab26925d0d90fed6ed32147f1feb656d94e6f3f6..2200b370ec90173a227b73debde5ec609f77954e 100644 (file)
@@ -4,59 +4,29 @@ namespace Org\Mxchange\CoreFramework\Object;
 
 // Import framework stuff
 use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
-use Org\Mxchange\CoreFramework\Compressor\Compressor;
-use Org\Mxchange\CoreFramework\Configuration\FrameworkConfiguration;
-use Org\Mxchange\CoreFramework\Connection\Database\DatabaseConnection;
-use Org\Mxchange\CoreFramework\Controller\Controller;
-use Org\Mxchange\CoreFramework\Criteria\Criteria;
-use Org\Mxchange\CoreFramework\Criteria\Local\LocalSearchCriteria;
-use Org\Mxchange\CoreFramework\Criteria\Local\LocalUpdateCriteria;
-use Org\Mxchange\CoreFramework\Crypto\Cryptable;
-use Org\Mxchange\CoreFramework\Crypto\RandomNumber\RandomNumberGenerator;
-use Org\Mxchange\CoreFramework\Database\Frontend\DatabaseWrapper;
 use Org\Mxchange\CoreFramework\EntryPoint\ApplicationEntryPoint;
-use Org\Mxchange\CoreFramework\Factory\Database\Wrapper\DatabaseWrapperFactory;
-use Org\Mxchange\CoreFramework\Factory\ObjectFactory;
-use Org\Mxchange\CoreFramework\Filesystem\Block;
-use Org\Mxchange\CoreFramework\Filesystem\FilePointer;
-use Org\Mxchange\CoreFramework\Filesystem\FrameworkDirectory;
+use Org\Mxchange\CoreFramework\Factory\Object\ObjectFactory;
+use Org\Mxchange\CoreFramework\Filesystem\FileIoException;
 use Org\Mxchange\CoreFramework\Filesystem\PathWriteProtectedException;
 use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
 use Org\Mxchange\CoreFramework\Generic\NullPointerException;
 use Org\Mxchange\CoreFramework\Generic\UnsupportedOperationException;
-use Org\Mxchange\CoreFramework\Handler\Handleable;
-use Org\Mxchange\CoreFramework\Handler\Stream\IoHandler;
-use Org\Mxchange\CoreFramework\Helper\Helper;
-use Org\Mxchange\CoreFramework\Index\Indexable;
-use Org\Mxchange\CoreFramework\Lists\Listable;
+use Org\Mxchange\CoreFramework\Helper\Application\ApplicationHelper;
 use Org\Mxchange\CoreFramework\Loader\ClassLoader;
-use Org\Mxchange\CoreFramework\Localization\ManageableLanguage;
 use Org\Mxchange\CoreFramework\Manager\ManageableApplication;
-use Org\Mxchange\CoreFramework\Menu\RenderableMenu;
-use Org\Mxchange\CoreFramework\Middleware\Compressor\CompressorChannel;
 use Org\Mxchange\CoreFramework\Middleware\Debug\DebugMiddleware;
-use Org\Mxchange\CoreFramework\Parser\Parseable;
-use Org\Mxchange\CoreFramework\Registry\GenericRegistry;
-use Org\Mxchange\CoreFramework\Registry\Register;
-use Org\Mxchange\CoreFramework\Resolver\Resolver;
+use Org\Mxchange\CoreFramework\Registry\Object\ObjectRegistry;
 use Org\Mxchange\CoreFramework\Result\Database\CachedDatabaseResult;
-use Org\Mxchange\CoreFramework\Result\Search\SearchableResult;
-use Org\Mxchange\CoreFramework\Stacker\Stackable;
 use Org\Mxchange\CoreFramework\State\Stateable;
-use Org\Mxchange\CoreFramework\Stream\Input\InputStream;
 use Org\Mxchange\CoreFramework\Stream\Output\OutputStreamer;
-use Org\Mxchange\CoreFramework\Stream\Output\OutputStream;
-use Org\Mxchange\CoreFramework\String\Utils\StringUtils;
-use Org\Mxchange\CoreFramework\Template\CompileableTemplate;
-use Org\Mxchange\CoreFramework\User\ManageableAccount;
-use Org\Mxchange\CoreFramework\Visitor\Visitor;
+use Org\Mxchange\CoreFramework\Utils\Strings\StringUtils;
 
 // Import SPL stuff
-use \stdClass;
+use \BadMethodCallException;
 use \InvalidArgumentException;
-use \Iterator;
 use \ReflectionClass;
 use \SplFileInfo;
+use \stdClass;
 
 /**
  * The simulator system class is the super class of all other classes. This
@@ -64,7 +34,7 @@ use \SplFileInfo;
  *
  * @author             Roland Haeder <webmaster@shipsimu.org>
  * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
  * @license            GNU GPL 3.0 or any newer version
  * @link               http://www.shipsimu.org
  *
@@ -83,244 +53,44 @@ use \SplFileInfo;
  */
 abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
-        * Length of output from hash()
-        */
-       private static $hashLength = NULL;
-
-       /**
-        * The real class name
-        */
-       private $realClass = 'BaseFrameworkSystem';
-
-       /**
-        * Search criteria instance
-        */
-       private $searchInstance = NULL;
-
-       /**
-        * Update criteria instance
-        */
-       private $updateInstance = NULL;
-
-       /**
-        * The file I/O instance for the template loader
-        */
-       private $fileIoInstance = NULL;
-
-       /**
-        * Resolver instance
-        */
-       private $resolverInstance = NULL;
-
-       /**
-        * Template engine instance
-        */
-       private $templateInstance = NULL;
-
-       /**
-        * Database result instance
-        */
-       private $resultInstance = NULL;
-
-       /**
-        * Instance for user class
-        */
-       private $userInstance = NULL;
-
-       /**
-        * A controller instance
-        */
-       private $controllerInstance = NULL;
-
-       /**
-        * Instance of a RNG
-        */
-       private $rngInstance = NULL;
-
-       /**
-        * Instance of a crypto helper
-        */
-       private $cryptoInstance = NULL;
-
-       /**
-        * Instance of an Iterator class
-        */
-       private $iteratorInstance = NULL;
-
-       /**
-        * Instance of the list
-        */
-       private $listInstance = NULL;
-
-       /**
-        * Instance of a menu
-        */
-       private $menuInstance = NULL;
-
-       /**
-        * Instance of the image
-        */
-       private $imageInstance = NULL;
-
-       /**
-        * Instance of the stacker
-        */
-       private $stackInstance = NULL;
-
-       /**
-        * A Compressor instance
-        */
-       private $compressorInstance = NULL;
-
-       /**
-        * A Parseable instance
-        */
-       private $parserInstance = NULL;
-
-       /**
-        * A database wrapper instance
-        */
-       private $databaseInstance = NULL;
-
-       /**
-        * A helper instance for the form
-        */
-       private $helperInstance = NULL;
-
-       /**
-        * An instance of a InputStream class
-        */
-       private $inputStreamInstance = NULL;
-
-       /**
-        * An instance of a OutputStream class
-        */
-       private $outputStreamInstance = NULL;
-
-       /**
-        * Handler instance
-        */
-       private $handlerInstance = NULL;
-
-       /**
-        * Visitor handler instance
-        */
-       private $visitorInstance = NULL;
-
-       /**
-        * An instance of a database wrapper class
-        */
-       private $wrapperInstance = NULL;
-
-       /**
-        * An instance of a file I/O pointer class (not handler)
-        */
-       private $pointerInstance = NULL;
-
-       /**
-        * An instance of an Indexable class
-        */
-       private $indexInstance = NULL;
-
-       /**
-        * An instance of a Block class
-        */
-       private $blockInstance = NULL;
-
-       /**
-        * A Minable instance
-        */
-       private $minableInstance = NULL;
-
-       /**
-        * A FrameworkDirectory instance
+        * Self-referencing instance
         */
-       private $directoryInstance = NULL;
+       private static $selfInstance = NULL;
 
        /**
-        * The concrete output instance
+        * Debug instance
         */
-       private $outputInstance = NULL;
+       private static $debugInstance = NULL;
 
        /**
-        * State instance
+        * Stub methods
         */
-       private $stateInstance = NULL;
+       private static $stubMethods = [
+               'partialStub' => true,
+               '__call' => true,
+               '__callStatic' => true,
+       ];
 
        /**
-        * Registry instance (implementing Register)
+        * The real class name
         */
-       private $registryInstance = NULL;
+       private $realClass = __CLASS__;
 
        /**
         * Call-back instance
         */
        private $callbackInstance = NULL;
 
-       /**
-        * Thousands separator
-        */
-       private $thousands = '.'; // German
-
-       /**
-        * Decimal separator
-        */
-       private $decimals  = ','; // German
-
-       /**
-        * Socket resource
-        */
-       private $socketResource = false;
-
        /**
         * Generic array
         */
-       private $genericArray = array();
-
-       /**
-        * Command name
-        */
-       private $commandName = '';
-
-       /**
-        * Controller name
-        */
-       private $controllerName = '';
-
-       /**
-        * Array with bitmasks and such for pack/unpack methods to support both
-        * 32-bit and 64-bit systems
-        */
-       private $packingData = array(
-               32 => array(
-                       'step'   => 3,
-                       'left'   => 0xffff0000,
-                       'right'  => 0x0000ffff,
-                       'factor' => 16,
-                       'format' => 'II',
-               ),
-               64 => array(
-                       'step'   => 7,
-                       'left'   => 0xffffffff00000000,
-                       'right'  => 0x00000000ffffffff,
-                       'factor' => 32,
-                       'format' => 'NN'
-               )
-       );
-
-       /**
-        * Simple 64-bit check, thanks to "Salman A" from stackoverflow.com:
-        *
-        * The integer size is 4 bytes on 32-bit and 8 bytes on a 64-bit system.
-        */
-       private $archArrayElement = false;
+       private $genericArray = [];
 
        /***********************
         * Exception codes.... *
         ***********************/
 
        // @todo Try to clean these constants up
-       const EXCEPTION_IS_NULL_POINTER              = 0x001;
        const EXCEPTION_IS_NO_OBJECT                 = 0x002;
        const EXCEPTION_IS_NO_ARRAY                  = 0x003;
        const EXCEPTION_MISSING_METHOD               = 0x004;
@@ -347,7 +117,6 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
        const EXCEPTION_DIR_POINTER_INVALID          = 0x019;
        const EXCEPTION_FILE_POINTER_INVALID         = 0x01a;
        const EXCEPTION_INVALID_RESOURCE             = 0x01b;
-       const EXCEPTION_UNEXPECTED_OBJECT            = 0x01c;
        const EXCEPTION_LIMIT_ELEMENT_IS_UNSUPPORTED = 0x01d;
        const EXCEPTION_GETTER_IS_MISSING            = 0x01e;
        const EXCEPTION_ARRAY_EXPECTED               = 0x01f;
@@ -365,67 +134,22 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
        const EXCEPTION_ATTRIBUTES_ARE_MISSING       = 0x02b;
        const EXCEPTION_ARRAY_ELEMENTS_MISSING       = 0x02c;
        const EXCEPTION_TEMPLATE_ENGINE_UNSUPPORTED  = 0x02d;
-       const EXCEPTION_UNSPPORTED_OPERATION         = 0x02e;
-       const EXCEPTION_FACTORY_REQUIRE_PARAMETER    = 0x02f;
-       const EXCEPTION_MISSING_ELEMENT              = 0x030;
-       const EXCEPTION_HEADERS_ALREADY_SENT         = 0x031;
-       const EXCEPTION_DEFAULT_CONTROLLER_GONE      = 0x032;
-       const EXCEPTION_CLASS_NOT_FOUND              = 0x033;
-       const EXCEPTION_REQUIRED_INTERFACE_MISSING   = 0x034;
-       const EXCEPTION_FATAL_ERROR                  = 0x035;
-       const EXCEPTION_FILE_NOT_FOUND               = 0x036;
-       const EXCEPTION_ASSERTION_FAILED             = 0x037;
-       const EXCEPTION_FILE_NOT_REACHABLE           = 0x038;
-       const EXCEPTION_FILE_CANNOT_BE_READ          = 0x039;
-       const EXCEPTION_FILE_CANNOT_BE_WRITTEN       = 0x03a;
-       const EXCEPTION_PATH_CANNOT_BE_WRITTEN       = 0x03b;
-       const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x03c;
-       const EXCEPTION_FILTER_CHAIN_INTERCEPTED     = 0x03d;
-       const EXCEPTION_INVALID_SOCKET               = 0x03e;
-
-       /**
-        * Hexadecimal->Decimal translation array
-        */
-       private static $hexdec = array(
-               '0' => 0,
-               '1' => 1,
-               '2' => 2,
-               '3' => 3,
-               '4' => 4,
-               '5' => 5,
-               '6' => 6,
-               '7' => 7,
-               '8' => 8,
-               '9' => 9,
-               'a' => 10,
-               'b' => 11,
-               'c' => 12,
-               'd' => 13,
-               'e' => 14,
-               'f' => 15
-       );
-
-       /**
-        * Decimal->hexadecimal translation array
-        */
-       private static $dechex = array(
-                0 => '0',
-                1 => '1',
-                2 => '2',
-                3 => '3',
-                4 => '4',
-                5 => '5',
-                6 => '6',
-                7 => '7',
-                8 => '8',
-                9 => '9',
-               10 => 'a',
-               11 => 'b',
-               12 => 'c',
-               13 => 'd',
-               14 => 'e',
-               15 => 'f'
-       );
+       const EXCEPTION_FACTORY_REQUIRE_PARAMETER    = 0x02e;
+       const EXCEPTION_MISSING_ELEMENT              = 0x02f;
+       const EXCEPTION_HEADERS_ALREADY_SENT         = 0x030;
+       const EXCEPTION_DEFAULT_CONTROLLER_GONE      = 0x031;
+       const EXCEPTION_REQUIRED_INTERFACE_MISSING   = 0x033;
+       const EXCEPTION_FATAL_ERROR                  = 0x034;
+       const EXCEPTION_FILE_NOT_FOUND               = 0x035;
+       const EXCEPTION_ASSERTION_FAILED             = 0x036;
+       const EXCEPTION_FILE_NOT_REACHABLE           = 0x037;
+       const EXCEPTION_FILE_CANNOT_BE_READ          = 0x038;
+       const EXCEPTION_FILE_CANNOT_BE_WRITTEN       = 0x039;
+       const EXCEPTION_PATH_CANNOT_BE_WRITTEN       = 0x03a;
+       const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x03b;
+       const EXCEPTION_FILTER_CHAIN_INTERCEPTED     = 0x03c;
+       const EXCEPTION_INVALID_SOCKET               = 0x03d;
+       const EXCEPTION_SELF_INSTANCE                = 0x03e;
 
        /**
         * Startup time in miliseconds
@@ -438,24 +162,15 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @param       $className      Name of the class
         * @return      void
         */
-       protected function __construct ($className) {
+       protected function __construct (string $className) {
                // Set real class
                $this->setRealClass($className);
 
-               // Set configuration instance if no registry ...
-               if (!$this instanceof Register) {
-                       // ... because registries doesn't need to be configured
-                       $this->setConfigInstance(FrameworkBootstrap::getConfigurationInstance());
-               } // END - if
-
                // Is the startup time set? (0 cannot be true anymore)
                if (self::$startupTime == 0) {
                        // Then set it
                        self::$startupTime = microtime(true);
-               } // END - if
-
-               // Set array element
-               $this->archArrayElement = (PHP_INT_SIZE === 8 ? 64 : 32);
+               }
        }
 
        /**
@@ -464,22 +179,19 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @return      void
         */
        public function __destruct () {
-               // Flush any updated entries to the database
-               $this->flushPendingUpdates();
-
                // Is this object already destroyed?
                if ($this->__toString() != 'DestructedObject') {
                        // Destroy all informations about this class but keep some text about it alive
                        $this->setRealClass('DestructedObject');
                } elseif ((defined('DEBUG_DESTRUCTOR')) && (is_object($this->getDebugInstance()))) {
                        // Already destructed object
-                       self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('The object <span class="object_name">%s</span> is already destroyed.',
+                       self::createDebugInstance(__CLASS__, __LINE__)->warningMessage(sprintf('The object <span class="object_name">%s</span> is already destroyed.',
                                $this->__toString()
                        ));
                } else {
                        // Do not call this twice
                        trigger_error(__METHOD__ . ': Called twice.');
-                       exit;
+                       exit(255);
                }
        }
 
@@ -490,23 +202,39 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @args        $args                   Arguments passed to the method
         * @return      void
         */
-       public final function __call ($methodName, $args) {
-               return self::__callStatic($methodName, $args);
+       public final function __call (string $methodName, array $args = NULL) {
+               // Set self-instance
+               self::$selfInstance = $this;
+
+               // Call static method
+               self::__callStatic($methodName, $args);
+
+               // Clear self-instance
+               self::$selfInstance = NULL;
        }
 
        /**
         * The __callStatic() method where all non-implemented static methods end up
         *
         * @param       $methodName             Name of the missing method
-        * @args        $args                   Arguments passed to the method
+        * @param       $args                   Arguments passed to the method
         * @return      void
+        * @throws      InvalidArgumentException If self::$selfInstance is not a framework's own object
         */
-       public static final function __callStatic ($methodName, $args) {
-               // Trace message
+       public static final function __callStatic (string $methodName, array $args = NULL) {
+               // Init argument string and class name
                //* PRINT-DEBUG: */ printf('[%s:%d]: methodName=%s,args[]=%s - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $methodName, gettype($args));
-
-               // Init argument string
                $argsString = '';
+               $className = 'unknown';
+
+               // Is self-instance set?
+               if (self::$selfInstance instanceof FrameworkInterface) {
+                       // Framework's own instance
+                       $className = self::$selfInstance->__toString();
+               } elseif (!is_null(self::$selfInstance)) {
+                       // Invalid argument!
+                       throw new InvalidArgumentException(sprintf('self::instance[%s] is not expected.', gettype(self::$selfInstance)), self::EXCEPTION_SELF_INSTANCE);
+               }
 
                // Is it NULL, empty or an array?
                if (is_null($args)) {
@@ -549,23 +277,22 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
 
                                // Comma for next one
                                $argsString .= ', ';
-                       } // END - foreach
+                       }
 
-                       // Remove last comma
+                       // Last comma found?
                        if (substr($argsString, -2, 1) == ',') {
+                               // Remove last comma
                                $argsString = substr($argsString, 0, -2);
-                       } // END - if
+                       }
 
                        // Close braces
                        $argsString .= ')';
-               } else {
-                       // Invalid arguments!
-                       $argsString = '!INVALID:' . gettype($args) . '!';
                }
 
                // Output stub message
                // @TODO __CLASS__ does always return BaseFrameworkSystem but not the extending (=child) class
-               self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[unknown::%s]: Stub! Args: %s',
+               self::createDebugInstance(__CLASS__, __LINE__)->warningMessage(sprintf('[%s::%s]: Stub! Args: %s',
+                       $className,
                        $methodName,
                        $argsString
                ));
@@ -590,7 +317,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @param       $value  Value to store
         * @return      void
         */
-       public final function __set ($name, $value) {
+       public final function __set (string $name, $value) {
                $this->debugBackTrace(sprintf('Tried to set a missing field. name=%s, value[%s]=%s',
                        $name,
                        gettype($value),
@@ -604,7 +331,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @param       $name   Name of the field/attribute
         * @return      void
         */
-       public final function __get ($name) {
+       public final function __get (string $name) {
                $this->debugBackTrace(sprintf('Tried to get a missing field. name=%s',
                        $name
                ));
@@ -616,7 +343,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @param       $name   Name of the field/attribute
         * @return      void
         */
-       public final function __unset ($name) {
+       public final function __unset (string $name) {
                $this->debugBackTrace(sprintf('Tried to unset a missing field. name=%s',
                        $name
                ));
@@ -629,7 +356,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @throws      UnsupportedOperationException   Objects of this framework cannot be serialized
         */
        public final function __sleep () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException([$this, __FUNCTION__], FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -639,7 +366,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @throws      UnsupportedOperationException   Objects of this framework cannot be serialized
         */
        public final function __wakeup () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException([$this, __FUNCTION__], FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -649,7 +376,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @throws      UnsupportedOperationException   Objects of this framework cannot be serialized
         */
        public final function __invoke () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException([$this, __FUNCTION__], FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -658,126 +385,9 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @param       $realClass      Class name (string)
         * @return      void
         */
-       public final function setRealClass ($realClass) {
+       public final function setRealClass (string $realClass) {
                // Set real class
-               $this->realClass = (string) $realClass;
-       }
-
-       /**
-        * Setter for database result instance
-        *
-        * @param       $resultInstance         An instance of a database result class
-        * @return      void
-        * @todo        SearchableResult and UpdateableResult shall have a super interface to use here
-        */
-       protected final function setResultInstance (SearchableResult $resultInstance) {
-               $this->resultInstance =  $resultInstance;
-       }
-
-       /**
-        * Getter for database result instance
-        *
-        * @return      $resultInstance         An instance of a database result class
-        */
-       public final function getResultInstance () {
-               return $this->resultInstance;
-       }
-
-       /**
-        * Setter for template engine instances
-        *
-        * @param       $templateInstance       An instance of a template engine class
-        * @return      void
-        */
-       protected final function setTemplateInstance (CompileableTemplate $templateInstance) {
-               $this->templateInstance = $templateInstance;
-       }
-
-       /**
-        * Getter for template engine instances
-        *
-        * @return      $templateInstance       An instance of a template engine class
-        */
-       protected final function getTemplateInstance () {
-               return $this->templateInstance;
-       }
-
-       /**
-        * Setter for search instance
-        *
-        * @param       $searchInstance         Searchable criteria instance
-        * @return      void
-        */
-       public final function setSearchInstance (LocalSearchCriteria $searchInstance) {
-               $this->searchInstance = $searchInstance;
-       }
-
-       /**
-        * Getter for search instance
-        *
-        * @return      $searchInstance         Searchable criteria instance
-        */
-       public final function getSearchInstance () {
-               return $this->searchInstance;
-       }
-
-       /**
-        * Setter for update instance
-        *
-        * @param       $updateInstance         An instance of a LocalUpdateCriteria clase
-        * @return      void
-        */
-       public final function setUpdateInstance (LocalUpdateCriteria $updateInstance) {
-               $this->updateInstance = $updateInstance;
-       }
-
-       /**
-        * Getter for update instance
-        *
-        * @return      $updateInstance         Updateable criteria instance
-        */
-       public final function getUpdateInstance () {
-               return $this->updateInstance;
-       }
-
-       /**
-        * Setter for resolver instance
-        *
-        * @param       $resolverInstance       Instance of a command resolver class
-        * @return      void
-        */
-       public final function setResolverInstance (Resolver $resolverInstance) {
-               $this->resolverInstance = $resolverInstance;
-       }
-
-       /**
-        * Getter for resolver instance
-        *
-        * @return      $resolverInstance       Instance of a command resolver class
-        */
-       public final function getResolverInstance () {
-               return $this->resolverInstance;
-       }
-
-       /**
-        * Setter for language instance
-        *
-        * @param       $configInstance         The configuration instance which shall
-        *                                                              be FrameworkConfiguration
-        * @return      void
-        */
-       public final function setConfigInstance (FrameworkConfiguration $configInstance) {
-               GenericRegistry::getRegistry()->addInstance('config', $configInstance);
-       }
-
-       /**
-        * Getter for configuration instance
-        *
-        * @return      $configInstance         Configuration instance
-        */
-       public final function getConfigInstance () {
-               $configInstance = GenericRegistry::getRegistry()->getInstance('config');
-               return $configInstance;
+               $this->realClass = $realClass;
        }
 
        /**
@@ -787,7 +397,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @return      void
         */
        public final function setDebugInstance (DebugMiddleware $debugInstance) {
-               GenericRegistry::getRegistry()->addInstance('debug', $debugInstance);
+               self::$debugInstance = $debugInstance;
        }
 
        /**
@@ -796,11 +406,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @return      $debugInstance  Instance to class DebugConsoleOutput or DebugWebOutput
         */
        public final function getDebugInstance () {
-               // Get debug instance
-               $debugInstance = GenericRegistry::getRegistry()->getInstance('debug');
-
-               // Return it
-               return $debugInstance;
+               return self::$debugInstance;
        }
 
        /**
@@ -810,7 +416,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @return      void
         */
        public final function setWebOutputInstance (OutputStreamer $webInstance) {
-               GenericRegistry::getRegistry()->addInstance('web_output', $webInstance);
+               ObjectRegistry::getRegistry('generic')->addInstance('web_output', $webInstance);
        }
 
        /**
@@ -819,774 +425,98 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
         * @return      $webOutputInstance - Instance to class WebOutput
         */
        public final function getWebOutputInstance () {
-               $webOutputInstance = GenericRegistry::getRegistry()->getInstance('web_output');
-               return $webOutputInstance;
+               return ObjectRegistry::getRegistry('generic')->getInstance('web_output');
        }
 
        /**
-        * Setter for database instance
+        * Setter for call-back instance
         *
-        * @param       $databaseInstance       The instance for the database connection (forced DatabaseConnection)
+        * @param       $callbackInstance       An instance of a FrameworkInterface class
         * @return      void
         */
-       public final function setDatabaseInstance (DatabaseConnection $databaseInstance) {
-               GenericRegistry::getRegistry()->addInstance('db_instance', $databaseInstance);
+       public final function setCallbackInstance (FrameworkInterface $callbackInstance) {
+               $this->callbackInstance = $callbackInstance;
        }
 
        /**
-        * Getter for database layer
+        * Getter for call-back instance
         *
-        * @return      $databaseInstance       The database layer instance
+        * @return      $callbackInstance       An instance of a FrameworkInterface class
         */
-       public final function getDatabaseInstance () {
-               // Get instance
-               $databaseInstance = GenericRegistry::getRegistry()->getInstance('db_instance');
-
-               // Return instance
-               return $databaseInstance;
+       protected final function getCallbackInstance () {
+               return $this->callbackInstance;
        }
 
        /**
-        * Setter for compressor channel
+        * Checks whether an object equals this object. You should overwrite this
+        * method to implement own equality checks
         *
-        * @param       $compressorInstance             An instance of CompressorChannel
-        * @return      void
+        * @param       $objectInstance         An instance of a FrameworkInterface object
+        * @return      $equals                         Whether both objects equals
         */
-       public final function setCompressorChannel (CompressorChannel $compressorInstance) {
-               GenericRegistry::getRegistry()->addInstance('compressor', $compressorInstance);
-       }
+       public function equals (FrameworkInterface $objectInstance) {
+               // Now test it
+               $equals = ((
+                       $this->__toString() == $objectInstance->__toString()
+               ) && (
+                       $this->hashCode() == $objectInstance->hashCode()
+               ));
 
-       /**
-        * Getter for compressor channel
-        *
-        * @return      $compressorInstance             The compressor channel
-        */
-       public final function getCompressorChannel () {
-               $compressorInstance = GenericRegistry::getRegistry()->getInstance('compressor');
-               return $compressorInstance;
+               // Return the result
+               return $equals;
        }
 
        /**
-        * Private getter for language instance
+        * Generates a generic hash code of this class. You should really overwrite
+        * this method with your own hash code generator code. But keep KISS in mind.
         *
-        * @return      $langInstance   An instance to the language sub-system
+        * @return      $hashCode       A generic hash code respresenting this whole class
         */
-       protected final function getLanguageInstance () {
-               $langInstance = GenericRegistry::getRegistry()->getInstance('language');
-               return $langInstance;
+       public function hashCode () {
+               // Simple hash code
+               return crc32($this->__toString());
        }
 
        /**
-        * Setter for language instance
+        * Appends a trailing slash to a string
         *
-        * @param       $langInstance   An instance to the language sub-system
-        * @return      void
-        * @see         LanguageSystem
-        */
-       public final function setLanguageInstance (ManageableLanguage $langInstance) {
-               GenericRegistry::getRegistry()->addInstance('language', $langInstance);
-       }
+        * @param       $str    A string (maybe) without trailing slash
+        * @return      $str    A string with an auto-appended trailing slash
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
+        */
+       public final function addMissingTrailingSlash (string $str) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: str=%s - CALLED!', $str));
+               if (empty($str)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "str" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
-       /**
-        * Private getter for file IO instance
-        *
-        * @return      $fileIoInstance         An instance to the file I/O sub-system
-        */
-       protected final function getFileIoInstance () {
-               return $this->fileIoInstance;
-       }
+               // Is there a trailing slash?
+               if (substr($str, -1, 1) != '/') {
+                       $str .= '/';
+               }
 
-       /**
-        * Setter for file I/O instance
-        *
-        * @param       $fileIoInstance         An instance to the file I/O sub-system
-        * @return      void
-        */
-       public final function setFileIoInstance (IoHandler $fileIoInstance) {
-               $this->fileIoInstance = $fileIoInstance;
+               // Return string with trailing slash
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: str=%s - EXIT!', $str));
+               return $str;
        }
 
        /**
-        * Protected setter for user instance
+        * Debugs this instance by putting out it's full content
         *
-        * @param       $userInstance   An instance of a user class
+        * @param       $message        Optional message to show in debug output
         * @return      void
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
         */
-       protected final function setUserInstance (ManageableAccount $userInstance) {
-               $this->userInstance = $userInstance;
-       }
+       public final function debugInstance (string $message = '') {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: message=%s - CALLED!', $message));
+               if (empty($message)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "message" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
-       /**
-        * Getter for user instance
-        *
-        * @return      $userInstance   An instance of a user class
-        */
-       public final function getUserInstance () {
-               return $this->userInstance;
-       }
-
-       /**
-        * Setter for controller instance (this surely breaks a bit the MVC patterm)
-        *
-        * @param       $controllerInstance             An instance of the controller
-        * @return      void
-        */
-       public final function setControllerInstance (Controller $controllerInstance) {
-               $this->controllerInstance = $controllerInstance;
-       }
-
-       /**
-        * Getter for controller instance (this surely breaks a bit the MVC patterm)
-        *
-        * @return      $controllerInstance             An instance of the controller
-        */
-       public final function getControllerInstance () {
-               return $this->controllerInstance;
-       }
-
-       /**
-        * Setter for RNG instance
-        *
-        * @param       $rngInstance    An instance of a random number generator (RNG)
-        * @return      void
-        */
-       protected final function setRngInstance (RandomNumberGenerator $rngInstance) {
-               $this->rngInstance = $rngInstance;
-       }
-
-       /**
-        * Getter for RNG instance
-        *
-        * @return      $rngInstance    An instance of a random number generator (RNG)
-        */
-       public final function getRngInstance () {
-               return $this->rngInstance;
-       }
-
-       /**
-        * Setter for Cryptable instance
-        *
-        * @param       $cryptoInstance An instance of a Cryptable class
-        * @return      void
-        */
-       protected final function setCryptoInstance (Cryptable $cryptoInstance) {
-               $this->cryptoInstance = $cryptoInstance;
-       }
-
-       /**
-        * Getter for Cryptable instance
-        *
-        * @return      $cryptoInstance An instance of a Cryptable class
-        */
-       public final function getCryptoInstance () {
-               return $this->cryptoInstance;
-       }
-
-       /**
-        * Setter for the list instance
-        *
-        * @param       $listInstance   A list of Listable
-        * @return      void
-        */
-       protected final function setListInstance (Listable $listInstance) {
-               $this->listInstance = $listInstance;
-       }
-
-       /**
-        * Getter for the list instance
-        *
-        * @return      $listInstance   A list of Listable
-        */
-       protected final function getListInstance () {
-               return $this->listInstance;
-       }
-
-       /**
-        * Setter for the menu instance
-        *
-        * @param       $menuInstance   A RenderableMenu instance
-        * @return      void
-        */
-       protected final function setMenuInstance (RenderableMenu $menuInstance) {
-               $this->menuInstance = $menuInstance;
-       }
-
-       /**
-        * Getter for the menu instance
-        *
-        * @return      $menuInstance   A RenderableMenu instance
-        */
-       protected final function getMenuInstance () {
-               return $this->menuInstance;
-       }
-
-       /**
-        * Setter for image instance
-        *
-        * @param       $imageInstance  An instance of an image
-        * @return      void
-        */
-       public final function setImageInstance (BaseImage $imageInstance) {
-               $this->imageInstance = $imageInstance;
-       }
-
-       /**
-        * Getter for image instance
-        *
-        * @return      $imageInstance  An instance of an image
-        */
-       public final function getImageInstance () {
-               return $this->imageInstance;
-       }
-
-       /**
-        * Setter for stacker instance
-        *
-        * @param       $stackInstance  An instance of an stacker
-        * @return      void
-        */
-       public final function setStackInstance (Stackable $stackInstance) {
-               $this->stackInstance = $stackInstance;
-       }
-
-       /**
-        * Getter for stacker instance
-        *
-        * @return      $stackInstance  An instance of an stacker
-        */
-       public final function getStackInstance () {
-               return $this->stackInstance;
-       }
-
-       /**
-        * Setter for compressor instance
-        *
-        * @param       $compressorInstance     An instance of an compressor
-        * @return      void
-        */
-       public final function setCompressorInstance (Compressor $compressorInstance) {
-               $this->compressorInstance = $compressorInstance;
-       }
-
-       /**
-        * Getter for compressor instance
-        *
-        * @return      $compressorInstance     An instance of an compressor
-        */
-       public final function getCompressorInstance () {
-               return $this->compressorInstance;
-       }
-
-       /**
-        * Setter for Parseable instance
-        *
-        * @param       $parserInstance An instance of an Parseable
-        * @return      void
-        */
-       public final function setParserInstance (Parseable $parserInstance) {
-               $this->parserInstance = $parserInstance;
-       }
-
-       /**
-        * Getter for Parseable instance
-        *
-        * @return      $parserInstance An instance of an Parseable
-        */
-       public final function getParserInstance () {
-               return $this->parserInstance;
-       }
-
-       /**
-        * Setter for DatabaseWrapper instance
-        *
-        * @param       $wrapperInstance        An instance of an DatabaseWrapper
-        * @return      void
-        */
-       public final function setWrapperInstance (DatabaseWrapper $wrapperInstance) {
-               $this->wrapperInstance = $wrapperInstance;
-       }
-
-       /**
-        * Getter for DatabaseWrapper instance
-        *
-        * @return      $wrapperInstance        An instance of an DatabaseWrapper
-        */
-       public final function getWrapperInstance () {
-               return $this->wrapperInstance;
-       }
-
-       /**
-        * Setter for socket resource
-        *
-        * @param       $socketResource         A valid socket resource
-        * @return      void
-        */
-       public final function setSocketResource ($socketResource) {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': socketResource=' . $socketResource . ',previous[' . gettype($this->socketResource) . ']=' . $this->socketResource);
-               $this->socketResource = $socketResource;
-       }
-
-       /**
-        * Getter for socket resource
-        *
-        * @return      $socketResource         A valid socket resource
-        */
-       public final function getSocketResource () {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': socketResource[' . gettype($this->socketResource) . ']=' . $this->socketResource);
-               return $this->socketResource;
-       }
-
-       /**
-        * Setter for helper instance
-        *
-        * @param       $helperInstance         An instance of a helper class
-        * @return      void
-        */
-       protected final function setHelperInstance (Helper $helperInstance) {
-               $this->helperInstance = $helperInstance;
-       }
-
-       /**
-        * Getter for helper instance
-        *
-        * @return      $helperInstance         An instance of a helper class
-        */
-       public final function getHelperInstance () {
-               return $this->helperInstance;
-       }
-
-       /**
-        * Getter for a InputStream instance
-        *
-        * @param       $inputStreamInstance    The InputStream instance
-        */
-       protected final function getInputStreamInstance () {
-               return $this->inputStreamInstance;
-       }
-
-       /**
-        * Setter for a InputStream instance
-        *
-        * @param       $inputStreamInstance    The InputStream instance
-        * @return      void
-        */
-       protected final function setInputStreamInstance (InputStream $inputStreamInstance) {
-               $this->inputStreamInstance = $inputStreamInstance;
-       }
-
-       /**
-        * Getter for a OutputStream instance
-        *
-        * @param       $outputStreamInstance   The OutputStream instance
-        */
-       protected final function getOutputStreamInstance () {
-               return $this->outputStreamInstance;
-       }
-
-       /**
-        * Setter for a OutputStream instance
-        *
-        * @param       $outputStreamInstance   The OutputStream instance
-        * @return      void
-        */
-       protected final function setOutputStreamInstance (OutputStream $outputStreamInstance) {
-               $this->outputStreamInstance = $outputStreamInstance;
-       }
-
-       /**
-        * Setter for handler instance
-        *
-        * @param       $handlerInstance        An instance of a Handleable class
-        * @return      void
-        */
-       protected final function setHandlerInstance (Handleable $handlerInstance) {
-               $this->handlerInstance = $handlerInstance;
-       }
-
-       /**
-        * Getter for handler instance
-        *
-        * @return      $handlerInstance        A Handleable instance
-        */
-       protected final function getHandlerInstance () {
-               return $this->handlerInstance;
-       }
-
-       /**
-        * Setter for visitor instance
-        *
-        * @param       $visitorInstance        A Visitor instance
-        * @return      void
-        */
-       protected final function setVisitorInstance (Visitor $visitorInstance) {
-               $this->visitorInstance = $visitorInstance;
-       }
-
-       /**
-        * Getter for visitor instance
-        *
-        * @return      $visitorInstance        A Visitor instance
-        */
-       protected final function getVisitorInstance () {
-               return $this->visitorInstance;
-       }
-
-       /**
-        * Setter for Iterator instance
-        *
-        * @param       $iteratorInstance       An instance of an Iterator
-        * @return      void
-        */
-       protected final function setIteratorInstance (Iterator $iteratorInstance) {
-               $this->iteratorInstance = $iteratorInstance;
-       }
-
-       /**
-        * Getter for Iterator instance
-        *
-        * @return      $iteratorInstance       An instance of an Iterator
-        */
-       public final function getIteratorInstance () {
-               return $this->iteratorInstance;
-       }
-
-       /**
-        * Setter for FilePointer instance
-        *
-        * @param       $pointerInstance        An instance of an FilePointer class
-        * @return      void
-        */
-       protected final function setPointerInstance (FilePointer $pointerInstance) {
-               $this->pointerInstance = $pointerInstance;
-       }
-
-       /**
-        * Getter for FilePointer instance
-        *
-        * @return      $pointerInstance        An instance of an FilePointer class
-        */
-       public final function getPointerInstance () {
-               return $this->pointerInstance;
-       }
-
-       /**
-        * Unsets pointer instance which triggers a call of __destruct() if the
-        * instance is still there. This is surely not fatal on already "closed"
-        * file pointer instances.
-        *
-        * I don't want to mess around with above setter by giving it a default
-        * value NULL as setter should always explicitly only set (existing) object
-        * instances and NULL is NULL.
-        *
-        * @return      void
-        */
-       protected final function unsetPointerInstance () {
-               // Simply it to NULL
-               $this->pointerInstance = NULL;
-       }
-
-       /**
-        * Setter for Indexable instance
-        *
-        * @param       $indexInstance  An instance of an Indexable class
-        * @return      void
-        */
-       protected final function setIndexInstance (Indexable $indexInstance) {
-               $this->indexInstance = $indexInstance;
-       }
-
-       /**
-        * Getter for Indexable instance
-        *
-        * @return      $indexInstance  An instance of an Indexable class
-        */
-       public final function getIndexInstance () {
-               return $this->indexInstance;
-       }
-
-       /**
-        * Setter for Block instance
-        *
-        * @param       $blockInstance  An instance of an Block class
-        * @return      void
-        */
-       protected final function setBlockInstance (Block $blockInstance) {
-               $this->blockInstance = $blockInstance;
-       }
-
-       /**
-        * Getter for Block instance
-        *
-        * @return      $blockInstance  An instance of an Block class
-        */
-       public final function getBlockInstance () {
-               return $this->blockInstance;
-       }
-
-       /**
-        * Setter for Minable instance
-        *
-        * @param       $minableInstance        A Minable instance
-        * @return      void
-        */
-       protected final function setMinableInstance (Minable $minableInstance) {
-               $this->minableInstance = $minableInstance;
-       }
-
-       /**
-        * Getter for minable instance
-        *
-        * @return      $minableInstance        A Minable instance
-        */
-       protected final function getMinableInstance () {
-               return $this->minableInstance;
-       }
-
-       /**
-        * Setter for FrameworkDirectory instance
-        *
-        * @param       $directoryInstance      A FrameworkDirectory instance
-        * @return      void
-        */
-       protected final function setDirectoryInstance (FrameworkDirectory $directoryInstance) {
-               $this->directoryInstance = $directoryInstance;
-       }
-
-       /**
-        * Getter for FrameworkDirectory instance
-        *
-        * @return      $directoryInstance      A FrameworkDirectory instance
-        */
-       protected final function getDirectoryInstance () {
-               return $this->directoryInstance;
-       }
-
-       /**
-        * Setter for state instance
-        *
-        * @param       $stateInstance  A Stateable instance
-        * @return      void
-        */
-       public final function setStateInstance (Stateable $stateInstance) {
-               $this->stateInstance = $stateInstance;
-       }
-
-       /**
-        * Getter for state instance
-        *
-        * @return      $stateInstance  A Stateable instance
-        */
-       public final function getStateInstance () {
-               return $this->stateInstance;
-       }
-
-       /**
-        * Setter for output instance
-        *
-        * @param       $outputInstance The debug output instance
-        * @return      void
-        */
-       public final function setOutputInstance (OutputStreamer $outputInstance) {
-               $this->outputInstance = $outputInstance;
-       }
-
-       /**
-        * Getter for output instance
-        *
-        * @return      $outputInstance The debug output instance
-        */
-       public final function getOutputInstance () {
-               return $this->outputInstance;
-       }
-
-       /**
-        * Setter for registry instance
-        *
-        * @param       $registryInstance               An instance of a Register class
-        * @return      void
-        */
-       protected final function setRegistryInstance (Register $registryInstance) {
-               $this->registryInstance = $registryInstance;
-       }
-
-       /**
-        * Getter for registry instance
-        *
-        * @return      $registryInstance       The debug registry instance
-        */
-       public final function getRegistryInstance () {
-               return $this->registryInstance;
-       }
-
-       /**
-        * Setter for call-back instance
-        *
-        * @param       $callbackInstance       An instance of a FrameworkInterface class
-        * @return      void
-        */
-       public final function setCallbackInstance (FrameworkInterface $callbackInstance) {
-               $this->callbackInstance = $callbackInstance;
-       }
-
-       /**
-        * Getter for call-back instance
-        *
-        * @return      $callbackInstance       An instance of a FrameworkInterface class
-        */
-       protected final function getCallbackInstance () {
-               return $this->callbackInstance;
-       }
-
-       /**
-        * Setter for command name
-        *
-        * @param       $commandName    Last validated command name
-        * @return      void
-        */
-       protected final function setCommandName ($commandName) {
-               $this->commandName = $commandName;
-       }
-
-       /**
-        * Getter for command name
-        *
-        * @return      $commandName    Last validated command name
-        */
-       protected final function getCommandName () {
-               return $this->commandName;
-       }
-
-       /**
-        * Setter for controller name
-        *
-        * @param       $controllerName Last validated controller name
-        * @return      void
-        */
-       protected final function setControllerName ($controllerName) {
-               $this->controllerName = $controllerName;
-       }
-
-       /**
-        * Getter for controller name
-        *
-        * @return      $controllerName Last validated controller name
-        */
-       protected final function getControllerName () {
-               return $this->controllerName;
-       }
-
-       /**
-        * Checks whether an object equals this object. You should overwrite this
-        * method to implement own equality checks
-        *
-        * @param       $objectInstance         An instance of a FrameworkInterface object
-        * @return      $equals                         Whether both objects equals
-        */
-       public function equals (FrameworkInterface $objectInstance) {
-               // Now test it
-               $equals = ((
-                       $this->__toString() == $objectInstance->__toString()
-               ) && (
-                       $this->hashCode() == $objectInstance->hashCode()
-               ));
-
-               // Return the result
-               return $equals;
-       }
-
-       /**
-        * Generates a generic hash code of this class. You should really overwrite
-        * this method with your own hash code generator code. But keep KISS in mind.
-        *
-        * @return      $hashCode       A generic hash code respresenting this whole class
-        */
-       public function hashCode () {
-               // Simple hash code
-               return crc32($this->__toString());
-       }
-
-       /**
-        * Formats computer generated price values into human-understandable formats
-        * with thousand and decimal separators.
-        *
-        * @param       $value          The in computer format value for a price
-        * @param       $currency       The currency symbol (use HTML-valid characters!)
-        * @param       $decNum         Number of decimals after commata
-        * @return      $price          The for the current language formated price string
-        * @throws      MissingDecimalsThousandsSeparatorException      If decimals or
-        *                                                                                              thousands separator
-        *                                                                                              is missing
-        */
-       public function formatCurrency ($value, $currency = '&euro;', $decNum = 2) {
-               // Are all required attriutes set?
-               if ((!isset($this->decimals)) || (!isset($this->thousands))) {
-                       // Throw an exception
-                       throw new MissingDecimalsThousandsSeparatorException($this, self::EXCEPTION_ATTRIBUTES_ARE_MISSING);
-               } // END - if
-
-               // Cast the number
-               $value = (float) $value;
-
-               // Reformat the US number
-               $price = number_format($value, $decNum, $this->decimals, $this->thousands) . $currency;
-
-               // Return as string...
-               return $price;
-       }
-
-       /**
-        * Appends a trailing slash to a string
-        *
-        * @param       $str    A string (maybe) without trailing slash
-        * @return      $str    A string with an auto-appended trailing slash
-        */
-       public final function addMissingTrailingSlash ($str) {
-               // Is there a trailing slash?
-               if (substr($str, -1, 1) != '/') {
-                       $str .= '/';
-               } // END - if
-
-               // Return string with trailing slash
-               return $str;
-       }
-
-       /**
-        * Prepare the template engine (HtmlTemplateEngine by default) for a given
-        * application helper instance (ApplicationHelper by default).
-        *
-        * @param               $applicationInstance    An application helper instance or
-        *                                                                              null if we shall use the default
-        * @return              $templateInstance               The template engine instance
-        * @throws              NullPointerException    If the discovered application
-        *                                                                              instance is still null
-        */
-       protected function prepareTemplateInstance (ManageableApplication $applicationInstance = NULL) {
-               // Is the application instance set?
-               if (is_null($applicationInstance)) {
-                       // Get the current instance
-                       $applicationInstance = GenericRegistry::getRegistry()->getInstance('application');
-
-                       // Still null?
-                       if (is_null($applicationInstance)) {
-                               // Thrown an exception
-                               throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
-                       } // END - if
-               } // END - if
-
-               // Initialize the template engine
-               $templateInstance = ObjectFactory::createObjectByConfiguredName('html_template_class');
-
-               // Return the prepared instance
-               return $templateInstance;
-       }
-
-       /**
-        * Debugs this instance by putting out it's full content
-        *
-        * @param       $message        Optional message to show in debug output
-        * @return      void
-        */
-       public final function debugInstance ($message = '') {
                // Restore the error handler to avoid trouble with missing array elements or undeclared variables
                restore_error_handler();
 
@@ -1599,7 +529,7 @@ abstract class BaseFrameworkSystem extends stdClass implements FrameworkInterfac
                        $content = sprintf('<div class="debug_message">
        Message: %s
 </div>' . PHP_EOL, $message);
-               } // END - if
+               }
 
                // Generate the output
                $content .= sprintf('<pre>%s</pre>',
@@ -1627,65 +557,27 @@ Loaded includes:
                ));
        }
 
-       /**
-        * Replaces control characters with printable output
-        *
-        * @param       $str    String with control characters
-        * @return      $str    Replaced string
-        */
-       protected function replaceControlCharacters ($str) {
-               // Replace them
-               $str = str_replace(
-                       chr(13), '[r]', str_replace(
-                       chr(10), '[n]', str_replace(
-                       chr(9) , '[t]',
-                       $str
-               )));
-
-               // Return it
-               return $str;
-       }
-
-       /**
-        * Output a partial stub message for the caller method
-        *
-        * @param       $message        An optional message to display
-        * @return      void
-        */
-       protected function partialStub ($message = '') {
-               // Init variable
-               $stubMessage = 'Partial Stub!';
-
-               // Is the extra message given?
-               if (!empty($message)) {
-                       // Then add it as well
-                       $stubMessage .= ' Message: ' . $message;
-               } // END - if
-
-               // Debug instance is there?
-               if (!is_null($this->getDebugInstance())) {
-                       // Output stub message
-                       self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($stubMessage);
-               } else {
-                       // Trigger an error
-                       trigger_error($stubMessage);
-                       exit;
-               }
-       }
-
        /**
         * Outputs a debug backtrace and stops further script execution
         *
         * @param       $message        An optional message to output
         * @param       $doExit         Whether exit the program (true is default)
         * @return      void
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
         */
-       public function debugBackTrace ($message = '', $doExit = true) {
+       public function debugBackTrace (string $message = '', bool $doExit = true) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: message=%s,doExit=%d - CALLED!', $message, intval($doExit)));
+               if (empty($message)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "message" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Sorry, there is no other way getting this nice backtrace
                if (!empty($message)) {
                        // Output message
                        printf('Message: %s<br />' . PHP_EOL, $message);
-               } // END - if
+               }
 
                print('<pre>');
                debug_print_backtrace();
@@ -1693,8 +585,9 @@ Loaded includes:
 
                // Exit program?
                if ($doExit === true) {
-                       exit();
-               } // END - if
+                       // Yes, with error code
+                       exit(255);
+               }
        }
 
        /**
@@ -1703,35 +596,37 @@ Loaded includes:
         * @param       $className              Name of the class (currently unsupported)
         * @param       $lineNumber             Line number where the call was made
         * @return      $debugInstance  An instance of a debugger class
+        * @throws      InvalidArgumentException        If a parameter has an invalid value
         * @deprecated  Not fully, as the new Logger facilities are not finished yet.
         */
-       public final static function createDebugInstance ($className, $lineNumber = NULL) {
-               // Is the instance set?
-               if (!GenericRegistry::getRegistry()->instanceExists('debug')) {
+       public final static function createDebugInstance (string $className, int $lineNumber = NULL) {
+               // Validate parameter
+               //* NOISY-DEBUG: */ printf('[%s:%d]: className=%s,lineNumber[%s]=%d - CALLED!' . PHP_EOL, __METHOD__, __LINE__, $className, gettype($lineNumber), $lineNumber);
+               if (empty($className)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "className" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
+               // Is the debug instance set?
+               //* NOISY-DEBUG: */ printf('[%s:%d]: self::debugInstance[]=%s' . PHP_EOL, __METHOD__, __LINE__, gettype(self::$debugInstance));
+               if (is_null(self::$debugInstance)) {
                        // Init debug instance
-                       $debugInstance = NULL;
+                       self::$debugInstance = NULL;
 
                        // Try it
                        try {
                                // Get a debugger instance
-                               $debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('debug_' . FrameworkBootstrap::getRequestTypeFromSystem() . '_class'), $className);
+                               //* NOISY-DEBUG: */ printf('[%s:%d]: className=%s' . PHP_EOL, __METHOD__, __LINE__, $className);
+                               self::$debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('debug_' . FrameworkBootstrap::getRequestTypeFromSystem() . '_class'), $className);
                        } catch (NullPointerException $e) {
                                // Didn't work, no instance there
-                               exit(sprintf('Cannot create debugInstance! Exception=%s,message=%s,className=%s,lineNumber=%d' . PHP_EOL, $e->__toString(), $e->getMessage(), $className, $lineNumber));
+                               exit(sprintf('[%s:%d]: Cannot create debugInstance! Exception=%s,message=%s,className=%s,lineNumber=%d' . PHP_EOL, __METHOD__, __LINE__, $e->__toString(), $e->getMessage(), $className, $lineNumber));
                        }
-
-                       // Empty string should be ignored and used for testing the middleware
-                       DebugMiddleware::getSelfInstance()->output('');
-
-                       // Set it in registry
-                       GenericRegistry::getRegistry()->addInstance('debug', $debugInstance);
-               } else {
-                       // Get instance from registry
-                       $debugInstance = GenericRegistry::getRegistry()->getDebugInstance();
                }
 
                // Return it
-               return $debugInstance;
+               //* NOISY-DEBUG: */ printf('[%s:%d]: self::debugInstance=%s - EXIT!' . PHP_EOL, __METHOD__, __LINE__, self::$debugInstance->__toString());
+               return self::$debugInstance;
        }
 
        /**
@@ -1739,104 +634,18 @@ Loaded includes:
         *
         * @param       $message        Message to output
         * @return      void
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
         */
-       public function outputLine ($message) {
-               // Simply output it
-               print($message . PHP_EOL);
-       }
-
-       /**
-        * Outputs a debug message whether to debug instance (should be set!) or
-        * dies with or ptints the message. Do NEVER EVER rewrite the exit() call to
-        * ApplicationEntryPoint::app_exit(), this would cause an endless loop.
-        *
-        * @param       $message        Message we shall send out...
-        * @param       $doPrint        Whether print or die here (default: print)
-        * @paran       $stripTags      Whether to strip tags (default: false)
-        * @return      void
-        */
-       public function debugOutput ($message, $doPrint = true, $stripTags = false) {
-               // Set debug instance to NULL
-               $debugInstance = NULL;
-
-               // Get backtrace
-               $backtrace = debug_backtrace(!DEBUG_BACKTRACE_PROVIDE_OBJECT);
-
-               // Is function partialStub/__callStatic ?
-               if (in_array($backtrace[1]['function'], array('partialStub', '__call', '__callStatic'))) {
-                       // Prepend class::function:line from 3rd element
-                       $message = sprintf('[%s::%s:%d]: %s',
-                               $backtrace[2]['class'],
-                               $backtrace[2]['function'],
-                               (isset($backtrace[2]['line']) ? $backtrace[2]['line'] : '0'),
-                               $message
-                       );
-               } else {
-                       // Prepend class::function:line from 2nd element
-                       $message = sprintf('[%s::%s:%d]: %s',
-                               $backtrace[1]['class'],
-                               $backtrace[1]['function'],
-                               (isset($backtrace[1]['line']) ? $backtrace[1]['line'] : '0'),
-                               $message
-                       );
-               }
-
-               // Try it:
-               try {
-                       // Get debug instance
-                       $debugInstance = $this->getDebugInstance();
-               } catch (NullPointerException $e) {
-                       // The debug instance is not set (yet)
-               }
-
-               // Is the debug instance there?
-               if (is_object($debugInstance)) {
-                       // Use debug output handler
-                       $debugInstance->output($message, $stripTags);
-
-                       if ($doPrint === false) {
-                               // Die here if not printed
-                               exit();
-                       } // END - if
-               } else {
-                       // Are debug times enabled?
-                       if ($this->getConfigInstance()->getConfigEntry('debug_' . FrameworkBootstrap::getRequestTypeFromSystem() . '_output_timings') == 'Y') {
-                               // Prepent it
-                               $message = $this->getPrintableExecutionTime() . $message;
-                       } // END - if
-
-                       // Put directly out
-                       if ($doPrint === true) {
-                               // Print message
-                               $this->outputLine($message);
-                       } else {
-                               // Die here
-                               exit($message);
-                       }
+       public function outputLine (string $message) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: message=%s - CALLED!', $message));
+               if (empty($message)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "message" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                }
-       }
-
-       /**
-        * Converts e.g. a command from URL to a valid class by keeping out bad characters
-        *
-        * @param       $str            The string, what ever it is needs to be converted
-        * @return      $className      Generated class name
-        */
-       public static final function convertToClassName ($str) {
-               // Init class name
-               $className = '';
 
-               // Convert all dashes in underscores
-               $str = StringUtils::convertDashesToUnderscores($str);
-
-               // Now use that underscores to get classname parts for hungarian style
-               foreach (explode('_', $str) as $strPart) {
-                       // Make the class name part lower case and first upper case
-                       $className .= ucfirst(strtolower($strPart));
-               } // END - foreach
-
-               // Return class name
-               return $className;
+               // Simply output it
+               print($message . PHP_EOL);
        }
 
        /**
@@ -1844,8 +653,16 @@ Loaded includes:
         *
         * @param       $phpCode                Unmarked PHP code
         * @return      $markedCode             Marked PHP code
-        */
-       public function markupCode ($phpCode) {
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
+        */
+       public function markupCode (string $phpCode) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: phpCode=%s - CALLED!', $phpCode));
+               if (empty($phpCode)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "phpCode" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Init marked code
                $markedCode = '';
 
@@ -1861,7 +678,7 @@ Loaded includes:
                                $errorArray['message'],
                                $errorArray['type']
                        );
-               } // END - if
+               }
 
                // Add line number to the code
                foreach (explode(chr(10), $phpCode) as $lineNo => $code) {
@@ -1870,109 +687,52 @@ Loaded includes:
                                ($lineNo + 1),
                                htmlentities($code, ENT_QUOTES)
                        );
-               } // END - foreach
+               }
 
                // Return the code
                return $markedCode;
        }
 
-       /**
-        * Filter a given GMT timestamp (non Uni* stamp!) to make it look more
-        * beatiful for web-based front-ends. If null is given a message id
-        * null_timestamp will be resolved and returned.
-        *
-        * @param       $timestamp      Timestamp to prepare (filter) for display
-        * @return      $readable       A readable timestamp
-        */
-       public function doFilterFormatTimestamp ($timestamp) {
-               // Default value to return
-               $readable = '???';
-
-               // Is the timestamp null?
-               if (is_null($timestamp)) {
-                       // Get a message string
-                       $readable = $this->getLanguageInstance()->getMessage('null_timestamp');
-               } else {
-                       switch ($this->getLanguageInstance()->getLanguageCode()) {
-                               case 'de': // German format is a bit different to default
-                                       // Split the GMT stamp up
-                                       $dateTime  = explode(' ', $timestamp  );
-                                       $dateArray = explode('-', $dateTime[0]);
-                                       $timeArray = explode(':', $dateTime[1]);
-
-                                       // Construct the timestamp
-                                       $readable = sprintf($this->getConfigInstance()->getConfigEntry('german_date_time'),
-                                               $dateArray[0],
-                                               $dateArray[1],
-                                               $dateArray[2],
-                                               $timeArray[0],
-                                               $timeArray[1],
-                                               $timeArray[2]
-                                       );
-                                       break;
-
-                               default: // Default is pass-through
-                                       $readable = $timestamp;
-                                       break;
-                       } // END - switch
-               }
-
-               // Return the stamp
-               return $readable;
-       }
-
-       /**
-        * Filter a given number into a localized number
-        *
-        * @param       $value          The raw value from e.g. database
-        * @return      $localized      Localized value
-        */
-       public function doFilterFormatNumber ($value) {
-               // Generate it from config and localize dependencies
-               switch ($this->getLanguageInstance()->getLanguageCode()) {
-                       case 'de': // German format is a bit different to default
-                               $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), ',', '.');
-                               break;
-
-                       default: // US, etc.
-                               $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), '.', ',');
-                               break;
-               } // END - switch
-
-               // Return it
-               return $localized;
-       }
-
        /**
         * "Getter" for databse entry
         *
         * @return      $entry  An array with database entries
         * @throws      NullPointerException    If the database result is not found
         * @throws      InvalidDatabaseResultException  If the database result is invalid
+        * @deprecated  Monolithic method, should be moved to proper classes
         */
        protected final function getDatabaseEntry () {
+               // This method is deprecated
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: CALLED!');
+               $this->deprecationWarning('Monolithic method, should be moved to proper classes');
+
                // Is there an instance?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->resultInstance[]=%s', gettype($this->getResultInstance())));
                if (!$this->getResultInstance() instanceof SearchableResult) {
                        // Throw an exception here
-                       throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
-               } // END - if
+                       throw new NullPointerException($this, FrameworkInterface::EXCEPTION_IS_NULL_POINTER);
+               }
 
                // Rewind it
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: Invoking this->resultInstance->rewind() ...');
                $this->getResultInstance()->rewind();
 
                // Do we have an entry?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->resultInstance->isValid()=%d', intval($this->getResultInstance()->isValid())));
                if ($this->getResultInstance()->valid() === false) {
                        // @TODO Move the constant to e.g. BaseDatabaseResult when there is a non-cached database result available
                        throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), CachedDatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
-               } // END - if
+               }
 
                // Get next entry
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: Invoking this->resultInstance->next() ...');
                $this->getResultInstance()->next();
 
                // Fetch it
                $entry = $this->getResultInstance()->current();
 
                // And return it
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: entry[]=%s - EXIT!', gettype($entry)));
                return $entry;
        }
 
@@ -1982,8 +742,20 @@ Loaded includes:
         * @param       $fieldName              Field name which we shall get
         * @return      $fieldValue             Field value from the user
         * @throws      NullPointerException    If the result instance is null
-        */
-       public final function getField ($fieldName) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @deprecated  Monolithic method, should be moved to proper classes
+        */
+       public final function getField (string $fieldName) {
+               // Check parameter
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldName=%s - CALLED!', $fieldName));
+               if (empty($fieldName)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "fieldName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
+               // This method is deprecated
+               $this->deprecationWarning('Monolithic method, should be moved to proper classes');
+
                // Default field value
                $fieldValue = NULL;
 
@@ -1991,31 +763,34 @@ Loaded includes:
                $resultInstance = $this->getResultInstance();
 
                // Is this instance null?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: resultInstance[]=%s', gettype($resultInstance)));
                if (is_null($resultInstance)) {
                        // Then the user instance is no longer valid (expired cookies?)
-                       throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
-               } // END - if
+                       throw new NullPointerException($this, FrameworkInterface::EXCEPTION_IS_NULL_POINTER);
+               }
 
                // Get current array
                $fieldArray = $resultInstance->current();
-               //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($fieldName.':<pre>'.print_r($fieldArray, true).'</pre>');
 
                // Convert dashes to underscore
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldArray()=%d', count($fieldArray)));
                $fieldName2 = StringUtils::convertDashesToUnderscores($fieldName);
 
                // Does the field exist?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldName2=%s', $fieldName2));
                if ($this->isFieldSet($fieldName)) {
                        // Get it
                        $fieldValue = $fieldArray[$fieldName2];
-               } elseif (defined('DEVELOPER')) {
+               } elseif (FrameworkBootstrap::getConfigurationInstance()->isEnabled('developer_mode')) {
                        // Missing field entry, may require debugging
-                       self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldArray<pre>=' . print_r($fieldArray, true) . '</pre>,fieldName=' . $fieldName . ' not found!');
+                       self::createDebugInstance(__CLASS__, __LINE__)->warningMessage('BASE-FRAMEWORK-SYSTEM: fieldArray<pre>=' . print_r($fieldArray, true) . '</pre>,fieldName=' . $fieldName . ' not found!');
                } else {
                        // Missing field entry, may require debugging
-                       self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldName=' . $fieldName . ' not found!');
+                       self::createDebugInstance(__CLASS__, __LINE__)->warningMessage('BASE-FRAMEWORK-SYSTEM: fieldName=' . $fieldName . ' not found!');
                }
 
                // Return it
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldValue[]=%s - EXIT!', gettype($fieldValue)));
                return $fieldValue;
        }
 
@@ -2025,51 +800,40 @@ Loaded includes:
         * @param       $fieldName      Field name to check
         * @return      $isSet          Whether the given field name is set
         * @throws      NullPointerException    If the result instance is null
-        */
-       public function isFieldSet ($fieldName) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       public function isFieldSet (string $fieldName) {
+               // Check parameter
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldName=%s - CALLED!', $fieldName));
+               if (empty($fieldName)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "fieldName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Get result instance
                $resultInstance = $this->getResultInstance();
 
                // Is this instance null?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: resultInstance[]=%s', gettype($resultInstance)));
                if (is_null($resultInstance)) {
                        // Then the user instance is no longer valid (expired cookies?)
-                       throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
-               } // END - if
+                       throw new NullPointerException($this, FrameworkInterface::EXCEPTION_IS_NULL_POINTER);
+               }
 
                // Get current array
                $fieldArray = $resultInstance->current();
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . $this->__toString() . ':' . __LINE__ . '] fieldName=' . $fieldName . ',fieldArray=<pre>'.print_r($fieldArray, true).'</pre>');
 
                // Convert dashes to underscore
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldArray()=%d,fieldName=%s - BEFORE!', count($fieldArray), $fieldName));
                $fieldName = StringUtils::convertDashesToUnderscores($fieldName);
 
                // Determine it
-               $isSet = isset($fieldArray[$fieldName]);
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fieldName=%s - AFTER!', $fieldName));
+               $isset = isset($fieldArray[$fieldName]);
 
                // Return result
-               return $isSet;
-       }
-
-       /**
-        * Flushs all pending updates to the database layer
-        *
-        * @return      void
-        */
-       public function flushPendingUpdates () {
-               // Get result instance
-               $resultInstance = $this->getResultInstance();
-
-               // Do we have data to update?
-               if ((is_object($resultInstance)) && ($resultInstance->ifDataNeedsFlush())) {
-                       // Get wrapper class name config entry
-                       $configEntry = $resultInstance->getUpdateInstance()->getWrapperConfigEntry();
-
-                       // Create object instance
-                       $wrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName($configEntry);
-
-                       // Yes, then send the whole result to the database layer
-                       $wrapperInstance->doUpdateByResult($this->getResultInstance());
-               } // END - if
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isset=%d - EXIT!', intval($isset)));
+               return $isset;
        }
 
        /**
@@ -2077,24 +841,35 @@ Loaded includes:
         *
         * @param       $message        The message we shall output to the developer
         * @return      void
+        * @throws      InvalidArgumentException        If a paramter has an invalid value
         * @todo        Write a logging mechanism for productive mode
         */
-       public function deprecationWarning ($message) {
+       public function deprecationWarning (string $message) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: message=%s - CALLED!', $message));
+               if (empty($message)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "message" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Is developer mode active?
-               if (defined('DEVELOPER')) {
+               if (FrameworkBootstrap::getConfigurationInstance()->isEnabled('developer_mode')) {
                        // Debug instance is there?
                        if (!is_null($this->getDebugInstance())) {
                                // Output stub message
-                               self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($message);
+                               self::createDebugInstance(__CLASS__, __LINE__)->warningMessage($message);
                        } else {
                                // Trigger an error
                                trigger_error($message . "<br />\n");
-                               exit;
+                               exit(255);
                        }
                } else {
                        // @TODO Finish this part!
-                       $this->partialStub('Developer mode inactive. Message:' . $message);
+                       DebugMiddleware::getSelfInstance()->partialStub('Developer mode inactive. Message:' . $message);
                }
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2102,12 +877,21 @@ Loaded includes:
         *
         * @param       $phpExtension   The PHP extension we shall check
         * @return      $isLoaded       Whether the PHP extension is loaded
-        */
-       public final function isPhpExtensionLoaded ($phpExtension) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       public final function isPhpExtensionLoaded (string $phpExtension) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: phpExtension=%s - CALLED!', $phpExtension));
+               if (empty($phpExtension)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "phpExtension" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Is it loaded?
                $isLoaded = in_array($phpExtension, get_loaded_extensions());
 
                // Return result
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isLoaded=%d - EXIT!', intval($isLoaded)));
                return $isLoaded;
        }
 
@@ -2119,9 +903,11 @@ Loaded includes:
         */
        public function getMilliTime () {
                // Get the time of day as float
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: CALLED!');
                $milliTime = gettimeofday(true);
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: milliTime=%s - EXIT!', $milliTime));
                return $milliTime;
        }
 
@@ -2129,8 +915,16 @@ Loaded includes:
         * Idles (sleeps) for given milliseconds
         *
         * @return      $hasSlept       Whether it goes fine
-        */
-       public function idle ($milliSeconds) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       public function idle (int $milliSeconds) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: milliSeconds=%s - CALLED!', $milliSeconds));
+               if ($milliSeconds < 1) {
+                       // Throw IAE
+                       throw new InvalidArgumentException(sprintf('milliSeconds=%d are not a reasonable value to idle', $milliSeconds));
+               }
+
                // Sleep is fine by default
                $hasSlept = true;
 
@@ -2150,179 +944,33 @@ Loaded includes:
                }
 
                // Return result
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: hasSlept=%d - EXIT!', intval($hasSlept)));
                return $hasSlept;
        }
-       /**
-        * Converts a hexadecimal string, even with negative sign as first string to
-        * a decimal number using BC functions.
-        *
-        * This work is based on comment #86673 on php.net documentation page at:
-        * <http://de.php.net/manual/en/function.dechex.php#86673>
-        *
-        * @param       $hex    Hexadecimal string
-        * @return      $dec    Decimal number
-        */
-       protected function hex2dec ($hex) {
-               // Convert to all lower-case
-               $hex = strtolower($hex);
-
-               // Detect sign (negative/positive numbers)
-               $sign = '';
-               if (substr($hex, 0, 1) == '-') {
-                       $sign = '-';
-                       $hex = substr($hex, 1);
-               } // END - if
-
-               // Decode the hexadecimal string into a decimal number
-               $dec = 0;
-               for ($i = strlen($hex) - 1, $e = 1; $i >= 0; $i--, $e = bcmul($e, 16)) {
-                       $factor = self::$hexdec[substr($hex, $i, 1)];
-                       $dec = bcadd($dec, bcmul($factor, $e));
-               } // END - for
-
-               // Return the decimal number
-               return $sign . $dec;
-       }
-
-       /**
-        * Converts even very large decimal numbers, also signed, to a hexadecimal
-        * string.
-        *
-        * This work is based on comment #97756 on php.net documentation page at:
-        * <http://de.php.net/manual/en/function.hexdec.php#97756>
-        *
-        * @param       $dec            Decimal number, even with negative sign
-        * @param       $maxLength      Optional maximum length of the string
-        * @return      $hex    Hexadecimal string
-        */
-       protected function dec2hex ($dec, $maxLength = 0) {
-               // maxLength can be zero or devideable by 2
-               assert(($maxLength == 0) || (($maxLength % 2) == 0));
-
-               // Detect sign (negative/positive numbers)
-               $sign = '';
-               if ($dec < 0) {
-                       $sign = '-';
-                       $dec = abs($dec);
-               } // END - if
-
-               // Encode the decimal number into a hexadecimal string
-               $hex = '';
-               do {
-                       $hex = self::$dechex[($dec % (2 ^ 4))] . $hex;
-                       $dec /= (2 ^ 4);
-               } while ($dec >= 1);
-
-               /*
-                * Leading zeros are required for hex-decimal "numbers". In some
-                * situations more leading zeros are wanted, so check for both
-                * conditions.
-                */
-               if ($maxLength > 0) {
-                       // Prepend more zeros
-                       $hex = str_pad($hex, $maxLength, '0', STR_PAD_LEFT);
-               } elseif ((strlen($hex) % 2) != 0) {
-                       // Only make string's length dividable by 2
-                       $hex = '0' . $hex;
-               }
-
-               // Return the hexadecimal string
-               return $sign . $hex;
-       }
-
-       /**
-        * Converts a ASCII string (0 to 255) into a decimal number.
-        *
-        * @param       $asc    The ASCII string to be converted
-        * @return      $dec    Decimal number
-        */
-       protected function asc2dec ($asc) {
-               // Convert it into a hexadecimal number
-               $hex = bin2hex($asc);
-
-               // And back into a decimal number
-               $dec = $this->hex2dec($hex);
-
-               // Return it
-               return $dec;
-       }
-
-       /**
-        * Converts a decimal number into an ASCII string.
-        *
-        * @param       $dec            Decimal number
-        * @return      $asc    An ASCII string
-        */
-       protected function dec2asc ($dec) {
-               // First convert the number into a hexadecimal string
-               $hex = $this->dec2hex($dec);
-
-               // Then convert it into the ASCII string
-               $asc = $this->hex2asc($hex);
-
-               // Return it
-               return $asc;
-       }
-
-       /**
-        * Converts a hexadecimal number into an ASCII string. Negative numbers
-        * are not allowed.
-        *
-        * @param       $hex    Hexadecimal string
-        * @return      $asc    An ASCII string
-        */
-       protected function hex2asc ($hex) {
-               // Check for length, it must be devideable by 2
-               //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('hex='.$hex);
-               assert((strlen($hex) % 2) == 0);
-
-               // Walk the string
-               $asc = '';
-               for ($idx = 0; $idx < strlen($hex); $idx+=2) {
-                       // Get the decimal number of the chunk
-                       $part = hexdec(substr($hex, $idx, 2));
-
-                       // Add it to the final string
-                       $asc .= chr($part);
-               } // END - for
-
-               // Return the final string
-               return $asc;
-       }
 
        /**
         * Checks whether the given encoded data was encoded with Base64
         *
         * @param       $encodedData    Encoded data we shall check
         * @return      $isBase64               Whether the encoded data is Base64
-        */
-       protected function isBase64Encoded ($encodedData) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected function isBase64Encoded (string $encodedData) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: encodedData=%s - CALLED!', $encodedData));
+               if (empty($encodedData)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "encodedData" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Determine it
                $isBase64 = (@base64_decode($encodedData, true) !== false);
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isBase64=%d - EXIT!', intval($isBase64)));
                return $isBase64;
        }
 
-       /**
-        * Gets a cache key from Criteria instance
-        *
-        * @param       $criteriaInstance       An instance of a Criteria class
-        * @param       $onlyKeys                       Only use these keys for a cache key
-        * @return      $cacheKey                       A cache key suitable for lookup/storage purposes
-        */
-       protected function getCacheKeyByCriteria (Criteria $criteriaInstance, array $onlyKeys = array()) {
-               // Generate it
-               $cacheKey = sprintf('%s@%s',
-                       $this->__toString(),
-                       $criteriaInstance->getCacheKey($onlyKeys)
-               );
-
-               // And return it
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput($this->__toString() . ': cacheKey=' . $cacheKey);
-               return $cacheKey;
-       }
-
        /**
         * Getter for startup time in miliseconds
         *
@@ -2338,97 +986,13 @@ Loaded includes:
         * @return      $executionTime  Current execution time in nice braces
         */
        protected function getPrintableExecutionTime () {
-               // Caculate the execution time
-               $executionTime = microtime(true) - $this->getStartupTime();
-
-               // Pack it in nice braces
-               $executionTime = sprintf('[ %01.5f ] ', $executionTime);
+               // Calculate execution time and pack it in nice braces
+               $executionTime = sprintf('[ %01.5f ] ', (microtime(true) - $this->getStartupTime()));
 
                // And return it
                return $executionTime;
        }
 
-       /**
-        * Hashes a given string with a simple but stronger hash function (no salt)
-        * and hex-encode it.
-        *
-        * @param       $str    The string to be hashed
-        * @return      $hash   The hash from string $str
-        */
-       public static final function hash ($str) {
-               // Hash given string with (better secure) hasher
-               $hash = bin2hex(mhash(MHASH_SHA256, $str));
-
-               // Return it
-               return $hash;
-       }
-
-       /**
-        * "Getter" for length of hash() output. This will be "cached" to speed up
-        * things.
-        *
-        * @return      $length         Length of hash() output
-        */
-       public static final function getHashLength () {
-               // Is it cashed?
-               if (is_null(self::$hashLength)) {
-                       // No, then hash a string and save its length.
-                       self::$hashLength = strlen(self::hash('abc123'));
-               } // END - if
-
-               // Return it
-               return self::$hashLength;
-       }
-
-       /**
-        * Checks whether the given number is really a number (only chars 0-9).
-        *
-        * @param       $num            A string consisting only chars between 0 and 9
-        * @param       $castValue      Whether to cast the value to double. Do only use this to secure numbers from Requestable classes.
-        * @param       $assertMismatch         Whether to assert mismatches
-        * @return      $ret            The (hopefully) secured numbered value
-        */
-       public function bigintval ($num, $castValue = true, $assertMismatch = false) {
-               // Filter all numbers out
-               $ret = preg_replace('/[^0123456789]/', '', $num);
-
-               // Shall we cast?
-               if ($castValue === true) {
-                       // Cast to biggest numeric type
-                       $ret = (double) $ret;
-               } // END - if
-
-               // Assert only if requested
-               if ($assertMismatch === true) {
-                       // Has the whole value changed?
-                       assert(('' . $ret . '' != '' . $num . '') && (!is_null($num)));
-               } // END - if
-
-               // Return result
-               return $ret;
-       }
-
-       /**
-        * Checks whether the given hexadecimal number is really a hex-number (only chars 0-9,a-f).
-        *
-        * @param       $num    A string consisting only chars between 0 and 9
-        * @param       $assertMismatch         Whether to assert mismatches
-        * @return      $ret    The (hopefully) secured hext-numbered value
-        */
-       public function hexval ($num, $assertMismatch = false) {
-               // Filter all numbers out
-               $ret = preg_replace('/[^0123456789abcdefABCDEF]/', '', $num);
-
-               // Assert only if requested
-               if ($assertMismatch === true) {
-                       // Has the whole value changed?
-                       assert(('' . $ret . '' != '' . $num . '') && (!is_null($num)));
-               } // END - if
-
-               // Return result
-               return $ret;
-       }
-
        /**
         * Determines if an element is set in the generic array
         *
@@ -2437,15 +1001,30 @@ Loaded includes:
         * @param       $key            Key to check
         * @param       $element        Element to check
         * @return      $isset          Whether the given key is set
-        */
-       protected final function isGenericArrayElementSet ($keyGroup, $subGroup, $key, $element) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function isGenericArrayElementSet (string $keyGroup, string $subGroup, string $key, string $element) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s - CALLED!', $keyGroup, $subGroup, $key, $element));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Is it there?
                $isset = isset($this->genericArray[$keyGroup][$subGroup][$key][$element]);
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isset=%d - EXIT!', intval($isset)));
                return $isset;
        }
        /**
@@ -2455,34 +1034,54 @@ Loaded includes:
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to check
         * @return      $isset          Whether the given key is set
-        */
-       protected final function isGenericArrayKeySet ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function isGenericArrayKeySet (string $keyGroup, string $subGroup, string $key) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Is it there?
                $isset = isset($this->genericArray[$keyGroup][$subGroup][$key]);
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isset=%d - EXIT!', intval($isset)));
                return $isset;
        }
 
-
        /**
         * Determines if a group is set in the generic array
         *
         * @param       $keyGroup       Main group
         * @param       $subGroup       Sub group
         * @return      $isset          Whether the given group is set
-        */
-       protected final function isGenericArrayGroupSet ($keyGroup, $subGroup) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function isGenericArrayGroupSet (string $keyGroup, string $subGroup) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s - CALLED!', $keyGroup, $subGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Is it there?
                $isset = isset($this->genericArray[$keyGroup][$subGroup]);
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isset=%d - EXIT!', intval($isset)));
                return $isset;
        }
 
@@ -2492,19 +1091,25 @@ Loaded includes:
         * @param       $keyGroup       Main key group
         * @param       $subGroup       Sub key group
         * @return      $array          An array with all array elements
-        */
-       protected final function getGenericSubArray ($keyGroup, $subGroup) {
-               // Is it there?
-               if (!$this->isGenericArrayGroupSet($keyGroup, $subGroup)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function getGenericSubArray (string $keyGroup, string $subGroup) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s - CALLED!', $keyGroup, $subGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayGroupSet($keyGroup, $subGroup)) {
                        // No, then abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ' not found.');
-                       exit;
-               } // END - if
-
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',value=' . print_r($this->genericArray[$keyGroup][$subGroup], true));
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s not found.', $keyGroup, $subGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->genericArray[%s][%s][]=%s - EXIT!', $keyGroup, $subGroup, gettype($this->genericArray[$keyGroup][$subGroup])));
                return $this->genericArray[$keyGroup][$subGroup];
        }
 
@@ -2515,13 +1120,27 @@ Loaded includes:
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to unset
         * @return      void
-        */
-       protected final function unsetGenericArrayKey ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function unsetGenericArrayKey (string $keyGroup, string $subGroup, string $key) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Remove it
                unset($this->genericArray[$keyGroup][$subGroup][$key]);
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2532,13 +1151,30 @@ Loaded includes:
         * @param       $key            Key to unset
         * @param       $element        Element to unset
         * @return      void
-        */
-       protected final function unsetGenericArrayElement ($keyGroup, $subGroup, $key, $element) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function unsetGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s - CALLED!', $keyGroup, $subGroup, $key, $element));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Remove it
                unset($this->genericArray[$keyGroup][$subGroup][$key][$element]);
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2549,19 +1185,33 @@ Loaded includes:
         * @param       $key            Key to unset
         * @param       $value          Value to add/append
         * @return      void
-        */
-       protected final function appendStringToGenericArrayKey ($keyGroup, $subGroup, $key, $value, $appendGlue = '') {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',value[' . gettype($value) . ']=' . print_r($value, true) . ',appendGlue=' . $appendGlue);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function appendStringToGenericArrayKey (string $keyGroup, string $subGroup, string $key, string $value, string $appendGlue = '') {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,value=%s,appendGlue=%s - CALLED!', $keyGroup, $subGroup, $key, $value, $appendGlue));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Is it already there?
                if ($this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Append it
-                       $this->genericArray[$keyGroup][$subGroup][$key] .= $appendGlue . (string) $value;
+                       $this->genericArray[$keyGroup][$subGroup][$key] .= $appendGlue . $value;
                } else {
                        // Add it
-                       $this->genericArray[$keyGroup][$subGroup][$key] = (string) $value;
+                       $this->genericArray[$keyGroup][$subGroup][$key] = $value;
                }
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2573,37 +1223,36 @@ Loaded includes:
         * @param       $element        Element to check
         * @param       $value          Value to add/append
         * @return      void
-        */
-       protected final function appendStringToGenericArrayElement ($keyGroup, $subGroup, $key, $element, $value, $appendGlue = '') {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ',value[' . gettype($value) . ']=' . print_r($value, true) . ',appendGlue=' . $appendGlue);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function appendStringToGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element, string $value, string $appendGlue = '') {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s,value=%s,appendGlue=%s - CALLED!', $keyGroup, $subGroup, $key, $element, $value, $appendGlue));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Is it already there?
                if ($this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
                        // Append it
-                       $this->genericArray[$keyGroup][$subGroup][$key][$element] .= $appendGlue . (string) $value;
+                       $this->genericArray[$keyGroup][$subGroup][$key][$element] .= $appendGlue . $value;
                } else {
                        // Add it
-                       $this->setStringGenericArrayElement($keyGroup, $subGroup, $key, $element, $value);
+                       $this->setGenericArrayElement($keyGroup, $subGroup, $key, $element, $value);
                }
-       }
-
-       /**
-        * Sets a string in a given generic array element
-        *
-        * @param       $keyGroup       Main group for the key
-        * @param       $subGroup       Sub group for the key
-        * @param       $key            Key to unset
-        * @param       $element        Element to check
-        * @param       $value          Value to add/append
-        * @return      void
-        */
-       protected final function setStringGenericArrayElement ($keyGroup, $subGroup, $key, $element, $value, $appendGlue = '') {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ',value[' . gettype($value) . ']=' . print_r($value, true) . ',appendGlue=' . $appendGlue);
 
-               // Set it
-               $this->genericArray[$keyGroup][$subGroup][$key][$element] = (string) $value;
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2614,20 +1263,28 @@ Loaded includes:
         * @param       $key            Key to use
         * @param       $forceInit      Optionally force initialization
         * @return      void
-        */
-       protected final function initGenericArrayGroup ($keyGroup, $subGroup, $forceInit = false) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',forceInit=' . intval($forceInit));
-
-               // Is it already set?
-               if (($forceInit === false) && ($this->isGenericArrayGroupSet($keyGroup, $subGroup))) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group has already been initialized
+        */
+       protected final function initGenericArrayGroup (string $keyGroup, string $subGroup, bool $forceInit = false) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,forceInit=%d - CALLED!', $keyGroup, $subGroup, intval($forceInit)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (($forceInit === false) && ($this->isGenericArrayGroupSet($keyGroup, $subGroup))) {
                        // Already initialized
-                       trigger_error(__METHOD__ . ':keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ' already initialized.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s already initialized.', $keyGroup, $subGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Initialize it
-               $this->genericArray[$keyGroup][$subGroup] = array();
+               $this->genericArray[$keyGroup][$subGroup] = [];
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2638,20 +1295,31 @@ Loaded includes:
         * @param       $key            Key to use
         * @param       $forceInit      Optionally force initialization
         * @return      void
-        */
-       protected final function initGenericArrayKey ($keyGroup, $subGroup, $key, $forceInit = false) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',forceInit=' . intval($forceInit));
-
-               // Is it already set?
-               if (($forceInit === false) && ($this->isGenericArrayKeySet($keyGroup, $subGroup, $key))) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group has already been initialized
+        */
+       protected final function initGenericArrayKey (string $keyGroup, string $subGroup, string $key, bool $forceInit = false) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,forceInit=%d - CALLED!', $keyGroup, $subGroup, $key, intval($forceInit)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (($forceInit === false) && ($this->isGenericArrayKeySet($keyGroup, $subGroup, $key))) {
                        // Already initialized
-                       trigger_error(__METHOD__ . ':keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ' already initialized.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s already initialized.', $keyGroup, $subGroup, gettype($key), $key), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Initialize it
-               $this->genericArray[$keyGroup][$subGroup][$key] = array();
+               $this->genericArray[$keyGroup][$subGroup][$key] = [];
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2663,52 +1331,74 @@ Loaded includes:
         * @param       $element        Element to use
         * @param       $forceInit      Optionally force initialization
         * @return      void
-        */
-       protected final function initGenericArrayElement ($keyGroup, $subGroup, $key, $element, $forceInit = false) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ',forceInit=' . intval($forceInit));
-
-               // Is it already set?
-               if (($forceInit === false) && ($this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element))) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function initGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element, bool $forceInit = false) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s,forceInit=%d - CALLED!', $keyGroup, $subGroup, $key, $element, intval($forceInit)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (($forceInit === false) && ($this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element))) {
                        // Already initialized
-                       trigger_error(__METHOD__ . ':keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ' already initialized.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s,element[%s]=%s already initialized.', $keyGroup, $subGroup, gettype($key), $key, gettype($element), $element), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Initialize it
-               $this->genericArray[$keyGroup][$subGroup][$key][$element] = array();
+               $this->genericArray[$keyGroup][$subGroup][$key][$element] = [];
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
-        * Pushes an element to a generic key
+        * Pushes an element to a generic key. If the key isn't found, it will be initialized.
         *
         * @param       $keyGroup       Main group for the key
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to use
         * @param       $value          Value to add/append
         * @return      $count          Number of array elements
-        */
-       protected final function pushValueToGenericArrayKey ($keyGroup, $subGroup, $key, $value) {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',value[' . gettype($value) . ']=' . print_r($value, true));
-
-               // Is it set?
-               if (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function pushValueToGenericArrayKey (string $keyGroup, string $subGroup, string $key, $value) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,value[]=%s - CALLED!', $keyGroup, $subGroup, $key, gettype($value)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Initialize array
                        $this->initGenericArrayKey($keyGroup, $subGroup, $key);
-               } // END - if
+               }
 
                // Then push it
                $count = array_push($this->genericArray[$keyGroup][$subGroup][$key], $value);
 
                // Return count
                //* DEBUG: */ print(__METHOD__ . ': genericArray=' . print_r($this->genericArray[$keyGroup][$subGroup][$key], true));
-               //* DEBUG: */ print(__METHOD__ . ': count=' . $count . PHP_EOL);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: count=%d - EXIT!', $count));
                return $count;
        }
 
        /**
-        * Pushes an element to a generic array element
+        * Pushes an element to a generic array element. If the key isn't found, it will be initialized.
         *
         * @param       $keyGroup       Main group for the key
         * @param       $subGroup       Sub group for the key
@@ -2716,23 +1406,35 @@ Loaded includes:
         * @param       $element        Element to check
         * @param       $value          Value to add/append
         * @return      $count          Number of array elements
-        */
-       protected final function pushValueToGenericArrayElement ($keyGroup, $subGroup, $key, $element, $value) {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ',value[' . gettype($value) . ']=' . print_r($value, true));
-
-               // Is it set?
-               if (!$this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function pushValueToGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element, $value) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s,value[]=%s - CALLED!', $keyGroup, $subGroup, $key, $element, gettype($value)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
                        // Initialize array
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: Invoking this->initGenericArrayElement(%s,%s,%s,%s) ...', $keyGroup, $subGroup, $key, $element));
                        $this->initGenericArrayElement($keyGroup, $subGroup, $key, $element);
-               } // END - if
+               }
 
                // Then push it
                $count = array_push($this->genericArray[$keyGroup][$subGroup][$key][$element], $value);
 
                // Return count
                //* DEBUG: */ print(__METHOD__ . ': genericArray=' . print_r($this->genericArray[$keyGroup][$subGroup][$key], true));
-               //* DEBUG: */ print(__METHOD__ . ': count=' . $count . PHP_EOL);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: count=%d - EXIT!', $count));
                return $count;
        }
 
@@ -2743,24 +1445,32 @@ Loaded includes:
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to unset
         * @return      $value          Last "popped" value
-        */
-       protected final function popGenericArrayElement ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
-
-               // Is it set?
-               if (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function popGenericArrayElement (string $keyGroup, string $subGroup, string $key) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Not found
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ' not found.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s not found.', $keyGroup, $subGroup, gettype($key), $key), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Then "pop" it
                $value = array_pop($this->genericArray[$keyGroup][$subGroup][$key]);
 
                // Return value
                //* DEBUG: */ print(__METHOD__ . ': genericArray=' . print_r($this->genericArray[$keyGroup][$subGroup][$key], true));
-               //* DEBUG: */ print(__METHOD__ . ': value[' . gettype($value) . ']=' . print_r($value, true) . PHP_EOL);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: value[]=%s - EXIT!', gettype($value)));
                return $value;
        }
 
@@ -2770,25 +1480,33 @@ Loaded includes:
         * @param       $keyGroup       Main group for the key
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to unset
-        * @return      $value          Last "popped" value
-        */
-       protected final function shiftGenericArrayElement ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
-
-               // Is it set?
-               if (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
+        * @return      $value          Last "shifted" value
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function shiftGenericArrayElement (string $keyGroup, string $subGroup, string $key) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Not found
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ' not found.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s not found.', $keyGroup, $subGroup, gettype($key), $key), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Then "shift" it
                $value = array_shift($this->genericArray[$keyGroup][$subGroup][$key]);
 
                // Return value
                //* DEBUG: */ print(__METHOD__ . ': genericArray=' . print_r($this->genericArray[$keyGroup][$subGroup][$key], true));
-               //* DEBUG: */ print(__METHOD__ . ': value[' . gettype($value) . ']=' . print_r($value, true) . PHP_EOL);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: value[]=%s - EXIT!', gettype($value)));
                return $value;
        }
 
@@ -2797,25 +1515,25 @@ Loaded includes:
         *
         * @param       $keyGroup       Main group for the key
         * @return      $count          Count of given group
-        */
-       protected final function countGenericArray ($keyGroup) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup);
-
-               // Is it there?
-               if (!isset($this->genericArray[$keyGroup])) {
-                       // Abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ' not found.');
-                       exit;
-               } // END - if
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key group isn't there but this method is invoked
+        */
+       protected final function countGenericArray (string $keyGroup) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s - CALLED!', $keyGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!isset($this->genericArray[$keyGroup])) {
+                       // Not found
+                       throw new BadMethodCallException(sprintf('keyGroup=%s not found.', $keyGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Then count it
                $count = count($this->genericArray[$keyGroup]);
 
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',count=' . $count);
-
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: count=%d - EXIT!', $count));
                return $count;
        }
 
@@ -2825,25 +1543,28 @@ Loaded includes:
         * @param       $keyGroup       Main group for the key
         * @param       $subGroup       Sub group for the key
         * @return      $count          Count of given group
-        */
-       protected final function countGenericArrayGroup ($keyGroup, $subGroup) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup);
-
-               // Is it there?
-               if (!$this->isGenericArrayGroupSet($keyGroup, $subGroup)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function countGenericArrayGroup (string $keyGroup, string $subGroup) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s - CALLED!', $keyGroup, $subGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayGroupSet($keyGroup, $subGroup)) {
                        // Abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ' not found.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s not found.', $keyGroup, $subGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Then count it
                $count = count($this->genericArray[$keyGroup][$subGroup]);
 
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',count=' . $count);
-
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: count=%d - EXIT!', $count));
                return $count;
        }
 
@@ -2852,31 +1573,36 @@ Loaded includes:
         *
         * @param       $keyGroup       Main group for the key
         * @param       $subGroup       Sub group for the key
-        * @para        $key            Key to count
+        * @param       $key            Key to count
         * @return      $count          Count of given key
-        */
-       protected final function countGenericArrayElements ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
-
-               // Is it there?
-               if (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function countGenericArrayElements (string $keyGroup, string $subGroup, string $key) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ' not found.');
-                       exit;
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s not found.', $keyGroup, $subGroup, gettype($key), $key), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                } elseif (!$this->isValidGenericArrayGroup($keyGroup, $subGroup)) {
                        // Not valid
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ' is not an array.');
-                       exit;
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s is not a valid key/sub group.', $keyGroup, $subGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                }
 
                // Then count it
                $count = count($this->genericArray[$keyGroup][$subGroup][$key]);
 
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',count=' . $count);
-
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: count=%d - EXIT!', $count));
                return $count;
        }
 
@@ -2885,19 +1611,22 @@ Loaded includes:
         *
         * @param       $keyGroup       Key group to get
         * @return      $array          Whole generic array group
-        */
-       protected final function getGenericArray ($keyGroup) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup);
-
-               // Is it there?
-               if (!isset($this->genericArray[$keyGroup])) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function getGenericArray (string $keyGroup) {
+               // Check parameters
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s - CALLED!', $keyGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!isset($this->genericArray[$keyGroup])) {
                        // Then abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ' does not exist.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s not found', $keyGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->genericArray[%s][]=%s - EXIT!', $keyGroup, gettype($this->genericArray[$keyGroup])));
                return $this->genericArray[$keyGroup];
        }
 
@@ -2909,13 +1638,31 @@ Loaded includes:
         * @param       $key            Key to unset
         * @param       $value          Mixed value from generic array element
         * @return      void
-        */
-       protected final function setGenericArrayKey ($keyGroup, $subGroup, $key, $value) {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',value[' . gettype($value) . ']=' . print_r($value, true));
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function setGenericArrayKey (string $keyGroup, string $subGroup, string $key, $value) {
+               // Check parameters
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,value[]=%s - CALLED!', $keyGroup, $subGroup, $key, gettype($value)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isValidGenericArrayGroup($keyGroup, $subGroup)) {
+                       // Then abort here
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s not found', $keyGroup), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Set value here
                $this->genericArray[$keyGroup][$subGroup][$key] = $value;
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2925,19 +1672,28 @@ Loaded includes:
         * @param       $subGroup       Sub group for the key
         * @param       $key            Key to unset
         * @return      $value          Mixed value from generic array element
-        */
-       protected final function getGenericArrayKey ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
-
-               // Is it there?
-               if (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function getGenericArrayKey (string $keyGroup, string $subGroup, string $key) {
+               // Check parameters
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) {
                        // Then abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ' does not exist.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s not found.', $keyGroup, $subGroup, gettype($key), $key), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->genericArray[%s][%s][%s][]=%s - EXIT!', $keyGroup, $subGroup, $key, gettype($this->genericArray[$keyGroup][$subGroup][$key])));
                return $this->genericArray[$keyGroup][$subGroup][$key];
        }
 
@@ -2950,13 +1706,33 @@ Loaded includes:
         * @param       $element        Element to set
         * @param       $value          Value to set
         * @return      void
-        */
-       protected final function setGenericArrayElement ($keyGroup, $subGroup, $key, $element, $value) {
-               // Debug message
-               //* NOISY-DEBUG: */ if (!is_object($value)) $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ',value[' . gettype($value) . ']=' . print_r($value, true));
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function setGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element, $value) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s,value[]=%s - CALLED!', $keyGroup, $subGroup, $key, $element, gettype($value)));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
+                       // Initialize array
+                       $this->initGenericArrayElement($keyGroup, $subGroup, $key, $element);
+               }
 
                // Then set it
                $this->genericArray[$keyGroup][$subGroup][$key][$element] = $value;
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -2967,19 +1743,31 @@ Loaded includes:
         * @param       $key            Key to look for
         * @param       $element        Element to look for
         * @return      $value          Mixed value from generic array element
-        */
-       protected final function getGenericArrayElement ($keyGroup, $subGroup, $key, $element) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element);
-
-               // Is it there?
-               if (!$this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        * @throws      BadMethodCallException  If key/sub group isn't there but this method is invoked
+        */
+       protected final function getGenericArrayElement (string $keyGroup, string $subGroup, string $key, string $element) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s,element=%s - CALLED!', $keyGroup, $subGroup, $key, $element));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif ($element === '') {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "element" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (!$this->isGenericArrayElementSet($keyGroup, $subGroup, $key, $element)) {
                        // Then abort here
-                       trigger_error(__METHOD__ . ': keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key . ',element=' . $element . ' does not exist.');
-                       exit;
-               } // END - if
+                       throw new BadMethodCallException(sprintf('keyGroup=%s,subGroup=%s,key[%s]=%s,element[%s]=%s not found.', $keyGroup, $subGroup, gettype($key), $key, gettype($element), $element), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: this->genericArray[%s][%s][%s][%s][]=%s - EXIT!', $keyGroup, $subGroup, $key, gettype($this->genericArray[$keyGroup][$subGroup][$key][$element])));
                return $this->genericArray[$keyGroup][$subGroup][$key][$element];
        }
 
@@ -2989,15 +1777,24 @@ Loaded includes:
         * @param       $keyGroup       Key group to get
         * @param       $subGroup       Sub group for the key
         * @return      $isValid        Whether given sub group is valid
-        */
-       protected final function isValidGenericArrayGroup ($keyGroup, $subGroup) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup);
+        * @throws      InvalidArgumentException        If a parameter is not valid
+        */
+       protected final function isValidGenericArrayGroup (string $keyGroup, string $subGroup) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s - CALLED!', $keyGroup, $subGroup));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Determine it
                $isValid = (($this->isGenericArrayGroupSet($keyGroup, $subGroup)) && (is_array($this->getGenericSubArray($keyGroup, $subGroup))));
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isValid=%d - EXIT!', intval($isValid)));
                return $isValid;
        }
 
@@ -3009,14 +1806,25 @@ Loaded includes:
         * @param       $key            Key to check
         * @return      $isValid        Whether given sub group is valid
         */
-       protected final function isValidGenericArrayKey ($keyGroup, $subGroup, $key) {
-               // Debug message
-               //* NOISY-DEBUG: */ $this->outputLine('[' . __METHOD__ . ':' . __LINE__ . '] keyGroup=' . $keyGroup . ',subGroup=' . $subGroup . ',key=' . $key);
+       protected final function isValidGenericArrayKey (string $keyGroup, string $subGroup, string $key) {
+               // Check parameters
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: keyGroup=%s,subGroup=%s,key=%s - CALLED!', $keyGroup, $subGroup, $key));
+               if (empty($keyGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "keyGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($subGroup)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "subGroup" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($key)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "key" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
 
                // Determine it
                $isValid = (($this->isGenericArrayKeySet($keyGroup, $subGroup, $key)) && (is_array($this->getGenericArrayKey($keyGroup, $subGroup, $key))));
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: isValid=%d - EXIT!', intval($isValid)));
                return $isValid;
        }
 
@@ -3026,14 +1834,15 @@ Loaded includes:
         * @return      void
         */
        protected function initWebOutputInstance () {
-               // Get application instance
-               $applicationInstance = GenericRegistry::getRegistry()->getInstance('application');
-
                // Init web output instance
-               $outputInstance = ObjectFactory::createObjectByConfiguredName('output_class', array($applicationInstance));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: CALLED!');
+               $outputInstance = ObjectFactory::createObjectByConfiguredName('output_class');
 
                // Set it locally
                $this->setWebOutputInstance($outputInstance);
+
+               // Trace mesage
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: EXIT!');
        }
 
        /**
@@ -3042,123 +1851,66 @@ Loaded includes:
         * @param       $boolean                Boolean value
         * @return      $translated             Translated boolean value
         */
-       public static final function translateBooleanToYesNo ($boolean) {
-               // Make sure it is really boolean
-               assert(is_bool($boolean));
-
+       public static final function translateBooleanToYesNo (bool $boolean) {
                // "Translate" it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: boolean=%d - CALLED!', intval($boolean)));
                $translated = ($boolean === true) ? 'Y' : 'N';
 
                // ... and return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: translated=%s - EXIT!', $translated));
                return $translated;
        }
 
-       /**
-        * Encodes raw data (almost any type) by "serializing" it and then pack it
-        * into a "binary format".
-        *
-        * @param       $rawData        Raw data (almost any type)
-        * @return      $encoded        Encoded data
-        */
-       protected function encodeData ($rawData) {
-               // Make sure no objects or resources pass through
-               assert(!is_object($rawData));
-               assert(!is_resource($rawData));
-
-               // First "serialize" it (json_encode() is faster than serialize())
-               $encoded = $this->packString(json_encode($rawData));
-
-               // And return it
-               return $encoded;
-       }
-
-       /**
-        * Pack a string into a "binary format". Please execuse me that this is
-        * widely undocumented. :-(
-        *
-        * @param       $str            Unpacked string
-        * @return      $packed         Packed string
-        * @todo        Improve documentation
-        */
-       protected function packString ($str) {
-               // Debug message
-               //* NOISY-DEBUG */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('str=' . $str . ' - CALLED!');
-
-               // First compress the string (gzcompress is okay)
-               $str = gzcompress($str);
-
-               // Init variable
-               $packed = '';
-
-               // And start the "encoding" loop
-               for ($idx = 0; $idx < strlen($str); $idx += $this->packingData[$this->archArrayElement]['step']) {
-                       $big = 0;
-                       for ($i = 0; $i < $this->packingData[$this->archArrayElement]['step']; $i++) {
-                               $factor = ($this->packingData[$this->archArrayElement]['step'] - 1 - $i);
-
-                               if (($idx + $i) <= strlen($str)) {
-                                       $ord = ord(substr($str, ($idx + $i), 1));
-
-                                       $add = $ord * pow(256, $factor);
-
-                                       $big += $add;
-
-                                       //print 'idx=' . $idx . ',i=' . $i . ',ord=' . $ord . ',factor=' . $factor . ',add=' . $add . ',big=' . $big . PHP_EOL;
-                               } // END - if
-                       } // END - for
-
-                       $l = ($big & $this->packingData[$this->archArrayElement]['left']) >>$this->packingData[$this->archArrayElement]['factor'];
-                       $r = $big & $this->packingData[$this->archArrayElement]['right'];
-
-                       $chunk = str_pad(pack($this->packingData[$this->archArrayElement]['format'], $l, $r), 8, '0', STR_PAD_LEFT);
-                       //* NOISY-DEBUG */ print 'big=' . $big . ',chunk('.strlen($chunk) . ')='.md5($chunk).PHP_EOL;
-
-                       $packed .= $chunk;
-               } // END - for
-
-               // Return it
-               //* NOISY-DEBUG */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('packed=' . $packed . ' - EXIT!');
-               return $packed;
-       }
-
        /**
         * Creates a full-qualified file name (FQFN) for given file name by adding
         * a configured temporary file path to it.
         *
         * @param       $infoInstance   An instance of a SplFileInfo class
-        * @return      $tempInstance   An instance of a SplFileInfo class (temporary file)
+        * @return      $fileInfoInstance       An instance of a SplFileInfo class (temporary file)
         * @throw       PathWriteProtectedException If the path in 'temp_file_path' is write-protected
         * @throws      FileIoException If the file cannot be written
         */
         protected static function createTempPathForFile (SplFileInfo $infoInstance) {
                // Get config entry
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: infoInstance=%s - CALLED!', $infoInstance->__toString()));
                $basePath = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('temp_file_path');
 
                // Is the path writeable?
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: basePath=%s', $basePath));
                if (!is_writable($basePath)) {
                        // Path is write-protected
                        throw new PathWriteProtectedException($infoInstance, self::EXCEPTION_PATH_CANNOT_BE_WRITTEN);
-               } // END - if
+               }
 
                // Add it
-               $tempInstance = new SplFileInfo($basePath . DIRECTORY_SEPARATOR . $infoInstance->getBasename());
+               $fileInfoInstance = new SplFileInfo($basePath . DIRECTORY_SEPARATOR . $infoInstance->getBasename());
 
                // Is it reachable?
-               if (!FrameworkBootstrap::isReachableFilePath($tempInstance)) {
+               if (!FrameworkBootstrap::isReachableFilePath($fileInfoInstance)) {
                        // Not reachable
-                       throw new FileIoException($tempInstance, self::EXCEPTION_FILE_NOT_REACHABLE);
-               } // END - if
+                       throw new FileIoException($fileInfoInstance, self::EXCEPTION_FILE_NOT_REACHABLE);
+               }
 
                // Return it
-               return $tempInstance;
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: fileInfoInstance=%s - EXIT!', $fileInfoInstance->__toString()));
+               return $fileInfoInstance;
         }
 
        /**
         * "Getter" for a printable state name
         *
         * @return      $stateName      Name of the node's state in a printable format
+        * @throws      BadMethodCallException  If this instance doesn't have a callable getter for stateInstance
+        * @todo        Move this class away from this monolithic place (not whole class is monolithic)
         */
        public final function getPrintableState () {
+               // Check if getter is there
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: CALLED!');
+               if (!is_callable($this, 'getStateInstance')) {
+                       // Throw BMCE
+                       throw new BadMethodCallException(sprintf('this=%s has no callable getter for stateInstance', $this->__toString()), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
+               }
+
                // Default is 'null'
                $stateName = 'null';
 
@@ -3166,12 +1918,14 @@ Loaded includes:
                $stateInstance = $this->getStateInstance();
 
                // Is it an instance of Stateable?
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: stateInstance[]=%s', gettype($stateInstance)));
                if ($stateInstance instanceof Stateable) {
                        // Then use that state name
                        $stateName = $stateInstance->getStateName();
-               } // END - if
+               }
 
                // Return result
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-FRAMEWORK-SYSTEM: stateName=%s - EXIT!', $stateName));
                return $stateName;
        }