What's Changed
* Rewrite the wbi_login module, each authentification method has now is own class. (there's no backward support with old Login class)
* wbi_login.OAuth2 (recommended)
* wbi_login.OAuth1
* wbi_login.ClientLogin
* wbi_login.Login
* Replace custom debug with `logging` module
* Replace `simplejson` with `ujson`
* Avoid recreating the anonymous session at each request
* Improve docs, available at https://wikibaseintegrator.readthedocs.io/
**Full Changelog**: https://github.com/LeMyst/WikibaseIntegrator/compare/v0.12.0.dev6...v0.12.0.dev7