Release v0.16.2

Highlights:

- Fix serious memory bug
- Change signature of 'TreeBuilder.insert'
- Improve support of Windows

Thanks to Benjamin Kircher, Han-Wen Nienhuys and Yonggang Luo.

Author: jdavid

setup.py

@@ -131,7 +131,7 @@ def run(self):
 setup(name='pygit2',
       description='Python bindings for libgit2.',
       keywords='git',
-      version='0.16.1',
+      version='0.16.2',
       url='http://github.com/libgit2/pygit2',
       classifiers=classifiers,
       license='GPLv2',