Feedback from @smholloway on PR 16
Update version number
Replace python-oauth2 with Requests
Add requirements.txt
Pyflakes
Update tests to use Requests
Rename duplicate test
Add nose and coverage
Move api_url to module
Add AuthenticationStatusTests
Add PairingStatusTests
Remove unnecessary (?) status dicts
Add ZeroStorageTests
Move zero-storage tests
Improve test coverage (100%)
Use requirements.txt
Use variables instead of strings
disable ≠ enable
True ≠ False and vice versa
Sync with develop

* develop: