protected function request($url, $parameters = array(), $request = false)
        {
            $this->lastRequest = $url;
            $this->lastRequestData = $parameters;
            $this->responseHeaders = array();

            $curl = curl_init($url);

            $curlOptions = array(
                CURLOPT_SSL_VERIFYPEER => false,
                CURLOPT_REFERER        => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_HEADERFUNCTION => array($this, 'parseHeader'),
            );

            if (! empty($parameters) || ! empty($request)) {
                if (! empty($request)) {
                    $curlOptions[ CURLOPT_CUSTOMREQUEST ] = $request;
                    $parameters = http_build_query($parameters);
                } else {
                    $curlOptions[ CURLOPT_POST ] = true;
                }

                $curlOptions[ CURLOPT_POSTFIELDS ] = $parameters;
            }

            curl_setopt_array($curl, $curlOptions);

            $response = curl_exec($curl);
            $error    = curl_error($curl);

            $this->lastRequestInfo = curl_getinfo($curl);

            curl_close($curl);

            if (! empty($error)) {
                throw new \Exception($error);
            }

            return $this->parseResponse($response);
        }