(richJTDate: any2stringadd[RichJTDate]).+(other)
(richJTDate: Ordered[RichJTDate]).<(that)
(richJTDate: Ordered[RichJTDate]).<=(that)
(richJTDate: Ordered[RichJTDate]).>(that)
(richJTDate: Ordered[RichJTDate]).>=(that)
(richJTDate: Ordered[RichJTDate]).compare(that)
(richJTDate: Ordered[RichJTDate]).compareTo(that)