+ Session always expires on client. + Documentation revisions.
1.9.0
+ Usernames are now required to be unique. + Captcha and verification modules merged. + Session `deactivate()` method implemented. + Test client/server revisions. + README.md and documentation revisions.
1.8.3
+ `SESSION_SECURE` config field default is now set to `True`. + Phone number format check revision. + `token` field removed from `Session`. Sessions are now retrieved via id when decoding. + `setup.py` license mismatch revision. + Documentation revisions.
1.8.2
+ Registration improvements. + Test (client and server) registration and account creation improvements. + Documentation and error revisions.