Allow the user to pin oauth2 and requests. Require a minimum version, not an exact one.
Properly sign request when fetching access token
Whitespace
Add requests-oauthlib to requirements.txt
Rename module tests to fitbit_tests to avoid clashing with oauth2.tests
Add Mock to testing requirements
Basic travis config
Remove broken response status code check and fix tests
Merge pull request #10 from silviot/master

Allow the user to pin oauth2 and requests. Require a minimum version, not an exact one.