Fix for issue #173 as implemented with

https://github.com/longhua/joda-time/commit/8769b776d5f28650e1cb50878f8266c3d7e4a9e1
Patch from Longhua:  https://github.com/longhua/joda-time/commit/8769b776d5f28650e1cb50878f8266c3d7e4a9e1