update tox to do django1.7b1
fix .get() stopped working in django 1.7
upgrade tox==1.7.1
add python 3.4 to tox
oops, forgot travisci stuff
add tests to make sure other queryset methods work
add failing test case for filtering a fake queryset

this could be fixed by undoing the `get` method hack, but is it even
needed?
bump to latest django 1.7 beta
Merge pull request #15 from texastribune/bleeding-edge

Extend to Django 1.7b1 and Python 3.4