Stardust Gear

Adds a `splitter` to region config files, which is similar to the `swapper`, but replaces the vanilla biome with a temperature/humidity array like in `middle_biomes`. It's useful for biomes like...

Fix Case Sensitive Errors

1

If you compile with option "c+", you get undefined errors because of case mismatch. I fixed all the error so it would compile normally under option c+.