Added sounds for Rainbow, Slow, Fast, and God Snake power ups.
“Not attached” errors fixed.
Fixed null pointer errors at long snake lengths.
“Looped” mario music.
Bonus food amount is now based on grid density.
Added game over sound effect.
Rainbow snake now gives temporary x32 multiplier.
Snake color now properly resets when rainbow snake ends.
Game no longer spawns multipliers when the multiplier is already maxed.