protected function submitCurlRequest($curlUrl)
    {
        $session = curl_init();
        
        curl_setopt($session, CURLOPT_URL, $curlUrl);
        curl_setopt($session, CURLOPT_HEADER, 0);
        curl_setopt($session, CURLOPT_RETURNTRANSFER, 1);
        
        if (!empty($this->options)) {
            foreach ($this->options as $key => $value) {
                curl_setopt($session, $key, $value);
            }
        }
        
        $rawResponse = curl_exec($session);

        curl_close($session);

        return $rawResponse;
    }