Some general refactors:
Turns HeroPartySO into a runtime set class.
Make runtime set an IEnumerable
Simplify name of events
Reviewed-on: #17
Reviewed-by: zephyr <zephyr@noreply.localhost>
Co-authored-by: Michael <mep053@gmail.com>
Co-committed-by: Michael <mep053@gmail.com>
