code: function getResponseHandler(connection, cb) {
    return function (err, res) {
      if (res && !err) {
        err = null;
      }
      handleResponse(connection, err, res, cb);
    }
  }
docs: Creates a generic, anonymous HTTP response handler to handle SuperAgent responses.
  @param {Object} connection - Waterline connection configuration object
  @param {Function} cb - function to call with query results.
  @returns {Function} SuperAgent response handler