Pygit2 0.24.2 improves support for Windows

Now unit tests pass on Windows. Integration with AppVeyor. Wheels available on Pypi. See the full list of changes. Thanks to Matthias Bartelmeß, Anatoly Techtonik, Robert Hölzl and Carlos Martín Nieto. Resources: Download from https://pypi.python.org/pypi/pygit2 Documentation at http://www.pygit2.org/ Join us at https://github.com/libgit2/pygit2 Enjoy!