if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
$this->query_string = substr($_SERVER['QUERY_STRING'],2);
// removing trailing / - maybe a nginx problem
if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
$this->query_string = substr($_SERVER['QUERY_STRING'],2);
// removing trailing / - maybe a nginx problem