docs: function Request(options) {
      options = options || {};
      this._server = options.server || '';
      this._path = options.path || '';
      this._json = options.json || false;
      this._data = options.data || {};
      this._auth = options.auth || null;
      this._file = options.file || null;
      this._method = options.method || 'post';
  }