0.04  Tue, 05 Jan 2010 20:37:32 +0100
    - Avoid warnings from Class::MOP.
0.03  Mon, 28 Sep 2009 17:54:35 +0200
    - Implement ambigious_match_callback as a way for users to hook into what
      happens on ambigious matches.
0.02
    - Use MooseX::Clone, not some half assed clone routine
    - Types are sorted topologically now. All variants in a single slot
      are tried for a match, and if the result is ambiguous an error is
      thrown. This matches Perl 6's behavior for multi method dispatch.
0.01
    - Initial release