Changes
=======
0.05 06 Sep 2005
- use 'traditional' Makefile.PL
0.04 03 Feb 2004
- Fix mispelling and other inconsistencies in the era IDs
0.03 23 Jan 2004
- Remove Math::Round (I guess I didn't use it anymore)
0.02 22 Jan 2004
- Fix edge case where date falls on the first day of new era
0.01 12 Jan 2004
- initial release