Multiplayer improvements

Multiplayer improvements:
-Improved ending screen.
-Invert controls options per player.
-Adjustments to UI.
-Multiplayer Levelsets updated.
-MP outfit no longer remains when switching back to singleplayer.

Misc fixes:
-Fella foot getting stuck in the ground on Farmland.
-Speedrun saving incorrect time.
-Some minor bug fixes/code refactoring.