==== version history of Hash::Case
All change made by Mark Overmeer.

version 1.01: Mon Feb 15 10:21:42 CET 2010

Fixes
Improvements

version 1.006: Thu Jun 19 08:40:46 CEST 2008

version 1.005: Wed Jun 18 09:02:28 CEST 2008

version 1.004: Fri Jun 8 15:37:31 CEST 2007

version 1.003: Mon Oct 27 07:58:44 CET 2003

version 1.002: Fri Aug 2 16:48:23 CEST 2002

version 1.001: Sat Jun 15 13:29:55 CEST 2002

        This code is fully tested, and too simple to be true, so I release
        it without hesitation as stable.

        - Initial implementation of Hash::Case

        - Initial implementation of Hash::Case::Lower, tests in t/10lower.t

        - Initial implementation of Hash::Case::Upper, tests in t/20upper.t

        - Initial implementation of Hash::Case::Preserve, tests in t/30pres1.t

        - Initial implementation of Hash::Case::Preserve, tests in t/31pres2.t