1.4.1

Add support for lzma/xz-compressed control archives.

1.3.2

Backport of lzma/xz support to the 1.3 branch

1.4.0

Deprecate Python 2.7 and 3.3
Extend compatibility markers to python 3.6 and 3.7
Various minor pylint-initiated changes
Add an extended description so that our pypi page isn't quite so bare :)