Don't despawn monsters when exiting the game, they're already saved elsewhere.
Clean plans member of monster object when loading from file.
Prevents pathological corner-case where
save -> exit -> start -> load -> repeat, with no intervening
player actions causes geometric growth of <player name>.sav
and the resulting monster array size.
Streamline special mutagen type handling by routing them theough a single iuse function.
Description tweak.
Add some consistency to JSON syntax of new mutagen types.
Merge PR #1504 - mutagen refactor
Merge PR #1497 - monster save/load bugfix