* @author Tobias Diekershoff <tobias.diekershoff@gmx.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @author Tobias Diekershoff <tobias.diekershoff@gmx.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0