- `lxml` is optional
- Added LinkedIn OAuth 2.0 support.
- Google `userinfo` endpoint is now deprecated. Use the new Google+ (googleplus) provider.
- Extra parameters passed to an auth init handler are now being stored during the flow and supplied back to `_on_signin` method as the additional `extra` argument.
More detailed changes: https://github.com/crhym3/simpleauth/compare/0.1.4...v0.1.5