-Fixed special intros on XL floors

-Actually fixed previous bug

-Fixed Isaac, Mom, Mom's Heart music not playing in the void

-Renamed most of music files according to original music.xml (as preparation for mod-friendly version)
-Completly changed special intros code and behaviour (only works on Isaac, antibirth Mom/Mom's Heart, and Mother)
-Deleted antibirth intro

-full version of Downpour mirror music added

-Fixed Witness music

-Fixed music in the Corpse
-Removed tainted menu music (sounds kinda bad sometimes when transitioning)
-Changed Scarred Womb music
-Added Utero music
-Fixed loud boss outro on alt paths
-Added Super Secret Room music
-Fixed Secret Room loop

-Updated for Repentance!

-Normalized music

-??? music not playing in the hush arena fixed
-Some bosses' music not playing caused by the curse of the labyrinth (maybe) fixed