bug fixing for repentance

added backdrop settings for repentance

fixed bug with getting gridentity sprites for repentance (:getsprite instead of .sprite)

fixed bug with door rendering in repentance

-updated DOOM HUD to have victory laps

added variable to more easily switch between experimental mouse aiming modes

added check for dice room carpets, not super pretty but should be better than it looked before

-updated room minimap with gummy's awesome spritework
-added HUD, also thanks to gummy
-added poops and trapdoors to room minimap
-fixed isaacs carpet standing up on its edge
-added option to config menu to change the quick toggle key
-added option to config menu to change which HUD should be used during fps mode
-lots of minor bugfixes, refactoring and optimizing

add check for hudAPI

-fixed mod asking stage API for current floor before it's ready

-updated config menu code to use new methods
-moved turning code from post_update to post_render so turning should be much smoother
-reduced how often tables need to be refreshed, should help with lag a bit more
-added global function to check if FPS mode can or should be rendering, for consistency and so other mods can check if FPS mode is being used if they need to do that for some reason