Pygit2 0.26.0 update for libgit2 0.26, drops support for Python 3.2

This release drops support for Python 3.2, adds support for latest cffi, and requires the new libigit2 0.26

New revert and branch features, several bugs fixed.

See the full list of changes. Thanks to Lukas Fleischer, Carlos Martín Nieto, Mark Adams and Nick Hynes.

Resources:

Enjoy!