TODO:
    - merge => _merge
    - merge( clone => ...
    - merge( dclone / deep_clone / storable_clone  => ...
    - merge( [] ) # Transform even-element array into a hash
    - merge( [], [], ... ) # Merge even-element arrays (at the top level only)

0.051 Tuesday December 07 12:21:04 PST 2010:
    - Duh, require Exporter. Thanks, EVERYBODY/KENTNL

0.050 Thursday May 13 11:24:29 PDT 2010:
    - Conversion to Dist::Zilla (Dzpl), losing auto_install

0.04 Saturday February 21 23:22:34 PST 2009:
    - Addressed bug 41738: https://rt.cpan.org/Ticket/Display.html?id=41738 (thanks Uri) 
    - Updated boilerplate and Makefile.PL
    - Conversion of repository to git (github)

0.03 Sunday May 04 02:39:59 PDT 2008:
    - Tweak acknowledgements
    - Reference Hash::Merge in SEE ALSO

0.02 Wednesday April 23 14:34:59 PDT 2008:
    - Minor documentation tweak

0.01 Monday April 21 22:12:45 PDT 2008:
    - Initial release