* Remember parameters for sessions
Cleanup sessions on successfully registering or after a while
* Add flakey test
* Update to use time.AfterFunc, add more tests
* Try to drain the channel, if possible
* Merge user API databases into one
* Remove DeviceDatabase from config
* Fix tests
* Try that again
* Clean up keyserver device keys when the devices no longer exist in the user API
* Tweak ordering
* Fix UserExists flag, device check
* Allow including empty entries so we can clean them up
* Remove logging
* User API support for password changes
* Password changes in client API
* Update sytest-whitelist
* Remove debug logging
* Default logout_devices to true
* Fix deleting devices by local part