Made player not keep unused abilities in memory.
Renamed wrapped entity.
Made it so invalid ability scores get removed and forced score names to
be lowercase.
Fixed NPE for abilities.
Removed useless generics.
Made SagaEntityDamageEvent use general entity.
Changed how health is increased and cleaned up.
More cleanup.
Renamed /damagetool command.
Renamed special chat coommand /b to /sc.
Updated /stats 2 command.