public function logError(Exception $exception, $message = '')
    {
        if (empty($message)) {
            $message = $exception->getMessage();
        }

        array_push($this->store, array(
            'data' => $message,
            'file' => $exception->getFile(),
            'line' => $exception->getLine(),
            'type' => 'error'
        ));
    }