Vanilla with Sprinkles

New advancements!

 - "Party Foul": Be hurt by a Villager's firework

 - "Backwards Compatibility": Tune all Noteblock notes in descending order.

Changed several advancement titles to avoid ambiguity (more title changes to come in the future).

Rebuilt the dyeable shulker functionality from the ground up.

 - This is only an internal change, gameplay should be the same as before.

Updated the very out of date Readme and Credits files.