fixed continuous floor music mode causing music to overlap when moving between secret rooms and uncleared challenge rooms

fixed error message being generated on game start if you didn't have either jukebox or whats that song running

-added some repentance tracks for Super Meat Boy and Genesis+
-fixed ascent music sometimes not starting until you change rooms

-fixed hush phase 1 music sometimes being identified as a 'floor' type track instead of a 'fight' one
-fixed crash from a floor track trying to play when being set to 'use floor music'
-fixed menu sometimes letting user set a floor track to 'use floor music'

added debug console commands

-fixed ascent music switching variants when moving between floors

-fixed menu music breaking if it defaults to arcade room music and the arcade room music has variants
-fixed nightmare and dogma nightmare not checking for variants

mod can now use What's That Song? to show the song title in the config menu if you don't have jukebox