protected function redirect($module, $action = "index", $params = array())
  {
    $module = $this->app->getModuleKey() . "=" . $module;
    $action = $action != "index" ? '&' . $this->app->getActionKey() . "=" . $action : "";

    foreach($params as $key => $val)
    {
      $action .= "&" . $key . "=" . $val;
    }

    header("Location: " . TeamSpeak3_Helper_Uri::getBaseUri() . "?" . $module . $action);

    exit;
  }