Added new themes:
-Eden now plays in Blue Womb
-Innocents from LM2 now plays in a dead boss room.
-Mega Satan now has 'Flaming Fist' theme from LM2.

-Fixed Womb/Utero not playing.

-Fixed Burning Basement loop.
-Fixed Shadow Mom scene intro sound.
-Added Boss death jingles.
-Added Shellhorn sound for when you find a secret room.

If you have any suggestion for the lacking music/jingles I'll gladly try to include them.

Added custom theme for Planetarium room.