/**
  * Performs a request using cURL, parsing the response using SveaResponse 
  * and returning the resulting HostedAdminResponse instance.
  * 
  * @return HostedAdminResponse
  */
 public function doRequest()
 {
     $fields = $this->prepareRequest();
     $fieldsString = "";
     foreach ($fields as $key => $value) {
         $fieldsString .= $key . '=' . $value . '&';
     }
     rtrim($fieldsString, '&');
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $this->config->getEndpoint(\Svea\SveaConfigurationProvider::HOSTED_ADMIN_TYPE) . $this->method);
     curl_setopt($ch, CURLOPT_POST, count($fields));
     curl_setopt($ch, CURLOPT_POSTFIELDS, $fieldsString);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     //force curl to trust https
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
     //returns a html page with redirecting to bank...
     $responseXML = curl_exec($ch);
     curl_close($ch);
     // create SveaResponse to handle response
     $responseObj = new \SimpleXMLElement($responseXML);
     return $this->parseResponse($responseObj);
 }