2.1.1

Added

• Billy Boarding: potted cactus.
• Billy Boarding: wall bells and pitcher crops.

Fixed

• Billy Boarding no longer mangles candles and sea pickles, which it has no
  models for yet.
• Billy Boarding potted plants no longer z-fight.
• Billy Boarding: cakes, candle cakes, anvils and bells no longer show black
  where their sprites are transparent.
• Falling Billy Boarding anvils and falling pointed dripstone now face the
  camera.