Pysmartapp

* Update python version targets and dependencies

- Updated CI
- Updated test dependencies and linted tests
- Updated supported Python versions

**Full Changelog**: https://github.com/andrewsayre/pysmartapp/compare/0.3.3...0.3.4

- Exclude tests from package

- Add `disconnect_all` method to dispatcher

- Add `data` and `value_type` elements to device events
- Check for `functools.partial` wrapped async methods in dispatcher

pysmartapp is now async and uses the dispatcher pattern to notify lifecycle events.