/**
  * Aktualisiert den Gerätestatus
  * @param from Request DeviceID DeviceID
  * @return true/false
  *
  */
 public function updateDeviceStatus($ErrorString = "", $StatusString = "")
 {
     $Request = new Request();
     $ID = $Request->getAsInt("DeviceID");
     $Status = $Request->getAsInt("DeviceStatus");
     $DeviceManager = new DeviceManager();
     $Status = ABS($Status - 1);
     $DeviceManager->updateStatusById($ID, $Status);
     /* TODO: Rückgabe prüfen!!! */
     return true;
 }