added RecSysAlgorithm
small pep8 cleanup
version bump
Merge branch 'refs/heads/develop'
Update docs/settings.rst

Fixed typo
Merge pull request #2 from dmishe/patch-1

Update docs/settings.rst
``get_rating_site`` provider method now defaults to ``settings.SITE_ID`` instead of ``None``.
doc fixes
updated apidoc
moar docs
allow use of strings as sites' pk
explicitly named celery tasks. Thanks Kirill Zaitsev.
store per-object cache. Thanks Kirill Zaitsev
Fix for tests if recommends_precompute is None. thanks Maxim Gurets
updated docs
Merge branch 'refs/heads/develop'
replaced instances of dict() with generators
django1.5/py3k compat
moved example_app into tests
added note on how to install with pip