private function checkRequestCount($array, $action, $maxReq = self::MAX_DHL_REQUESTS) {
		$count = count($array);

		if($count > self::MAX_DHL_REQUESTS)
			$this->addError('There are only ' . $maxReq . ' Request/s for one call allowed for the action "'
				. $action . '"! You tried to request ' . $count . ' ones');
	}