## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* Add first version of the Matrix bot
* It's a stupid but necessary change…
* Dont list it twice
* All hail the linter!
* More linter-pleasing
* Use the correct user ID
* Add expression commands
* Add tests for new validators
* Fix room alias handling
* Wording
* Defer setup
* Simplify commands
* Handle exceptions
* Update requirements
* Review
* Move login back to constructor
* Fix review comments