private function checkForError(){
        $curlErrNo = curl_errno($this->CurlRequest);
        if ($curlErrNo !== CURLE_OK) {
            $this->error = TRUE;
            $this->CurlError = array(
                'error' => $curlErrNo,
                'error_message' => curl_error($this->CurlRequest)
            );
        }
    }