When parsing the parent listing take into account parentless commits
commit234292956092c4fe8971b223d2e0c9a5ee0766fa
authorSverre Rabbelier <sverre@rabbelier.nl>
Fri, 4 Jul 2008 19:36:49 +0000 (4 21:36 +0200)
committerSverre Rabbelier <sverre@rabbelier.nl>
Fri, 4 Jul 2008 19:36:49 +0000 (4 21:36 +0200)
treee4bc44433177b16640f76086c6817a225b5e0f3a
parentd670e9bb0e1edd5edb54fef1b6101ed473badab6
When parsing the parent listing take into account parentless commits

In the case that a commit doesn't have a parent we should
record this in the dictionary as a key with no value.
src/git_stats/branch.py