code: function update(options) {
  
      var reqOpt = {
          host: url.parse(options.updateVersionURL).host,
          uri: url.parse(options.updateVersionURL),
          path: url.parse(options.updateVersionURL).pathname,
          port: options.port
      };
  
      options.error = options.error || function () {
      };
      options.success = options.success || function () {
      };
  
  
      doLog = options.log || false;
      log(doLog);
      _handleUpdateProcess(reqOpt, options);
  }
docs: parses the given URL and passes to handler
  @param {options} contains URL to the remote version-file