* Remove unused `setAccountData` function
* Move PubSub out of TwitchIrcServer and into Application
* Add changelog entry
* fix: assert feedback
* Add PubSub::unlistenPrefix as per review suggestion
* Fix tests
* quit pubsub on exit
might conflict with exit removal, so can be reverted but this shows it's possible
* Don't manually call stop on clients, it's called when the connection is closed
* nit: rename `mainThread` to `thread`
* Join in a thread!!!!!!!!