3.0.0 (2017-MM-DD)
- Added Python 3.3+ support.
- Switched to Sheets API v4.
2.1.2 (2017-04-21)
- Dropped Python 2.6 support.
- Disallow oauth2client 4.x to avoid warnings.
- Follow PEP8 coding style.
2.1.1 (2016-07-04)
- Support oauth2client v2.0.0+.
2.1.0 (2015-10-28)
- Worksheets emulate standard lists better.
- Support Python 2.6.
- Bugfixes.
2.0.0 (2015-08-14)
- First stable release with 100% test coverage.
1.x
- Beta releases.