code: function(callback) {
          request.get(this.getStatusUrl(), function(err, res, body) {
              if (err) {
                  return callback(err);
              }
  
              body = body || {};
              body.status = res.statusCode;
              body.date = new Date(body.date);
  
              callback(err, body, res);
          });
  
          return this;
      }
docs: Get the server status
  
  @param {Function} callback
  @return {ImboClient}