code: function format(date, formatter) {
              if (!formatter) formatter = 'unixSeconds';
              return TableStore.util.date[formatter](TableStore.util.date.from(date));
          }
docs: Given a Date or date-like value, this function formats the
  date into a string of the requested value.
  @param [String,number,Date] date
  @param [String] formatter Valid formats are:
  #   * 'iso8601'
  #   * 'rfc822'
  #   * 'unixSeconds'
  #   * 'unixMilliseconds'
  @return [String]