A24Group/ssGWT-lib — pull request #231 by NeilNienaber (2014-01-31 12:24:07+00:00)
Title: when adding a month to a month with fewer days, overflowed into next month

**rdy fro review**
**rdy for merge**

when adding a month to a month with fewer days, overflowed into next month
Fix placed here will ensure that if the result month has fewer days
the months are still calculated as a month addition and not a number of days.

A24Group/Triage#5145