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