code: function message(url, code) {
          
          var res = null;
  
          if(code != null) {
              res = {
                  code: code, 
                  url: url,
                  message: HTTPStatus[code]
              }
          } else {
              res = {
                  code: null, 
                  url: url, 
                  message: "Unknown error"
              }
          }
          
          return res;
          
      }
docs: ------ Messages