char *orig_url, *encoded_url = NULL;
orig_url = String_to_cstring(url);
encoded_url = curl_easy_escape( self, orig_url, strlen(orig_url));
char *orig_url, *encoded_url = NULL;
orig_url = String_to_cstring(url);
encoded_url = curl_easy_escape( self, orig_url, strlen(orig_url));