code: function _GpfDate() {
          var firstArgument = arguments[_GPF_START], values = _gpfIsISO8601String(firstArgument);
          if (values) {
              return new _GpfGenuineDate(_GpfGenuineDate.UTC.apply(_GpfGenuineDate.UTC, values));
          }
          return _gpfNewApply(_GpfGenuineDate, arguments);
      }
docs: Date constructor supporting ISO 8601 format
  
  @constructor
  @since 0.1.5