Refs #11 - Fixes download 404 when installing due to index and allow-hosts limitation.
Refs #11 - Updates django requirement.
Refs #11 - Removes too restrictive versions requirements for pip and setuptools.
Refs #10 - Replaces UNUSABLE_PASSWORD that does not exist in django 1.6 with make_password that works for both of 1.5 and 1.6 versions.
Refs #10 - Updates tests according django 1.5 and 1.6 behaviours.