Todo
Merge branch 'master' into develop
Avoid confusion between github/ and Github.py on case-insensitive file systems (#143)
Fix for Python 2.5
Merge branch 'topic/FixPythonVersions' into develop
Add Github.per_page to tweak PaginatedList (Issue #145)
Merge branch 'topic/PaginatedListPerPage' into develop
Use assertTrue and assertFalse where applicable
dos2unix
Expose raw data of objects (Issue #144)
Refactor XxxGithubObject
Add a way to create an object from raw data (Issue #144)
ReadMe
this fixes #108
Merge remote-tracking branch 'origin/develop' into NotificationAPI
Remove debug print (pull #148)
Fix documentation (pull #148)

I had to separate class NotificationSubject in its own file, to cope
with my basic doc generation.
Move get_notification(s) to AuthenticatedUser (pull #148)
Improve test coverage (pull #148)
Restore 100% test coverage