libgit2/pygit2 — pull request #97 by cholin (2012-05-30 12:52:46+00:00)
Title: basic reflog implementation

Basic implementation of reflogs

example:

```python
from pygit2 import Repository

repo = Repository('/tmp/dirtyrepo')
ref = repo.lookup_reference('HEAD')

for x in ref.log():
print(x.committer.name)
print(x.message)
print(x.oid_old)
print(x.oid_new)
```