Merge pull request #2 from mohawk2/master

Add github repo to pod and Makefile.PL metadata.
Version 0.43
Version 0.44

Seems like I released something as 0.43 but never committed that in git.
So I'm now basically re-releasing what should have become 0.43 as 0.44.
Support implementing __cmp__ in Perl

This allows overriding equality comparison of Perl objects in Python
code.