Weekly Update #11 - Ring

This is a fun update that adds finished achievements, a challenges page, and some more content.

• Added a new passive item: Ring.
• Added a new gun: Grenade Launcher.
• Achievements are finished. Some items have to be unlocked!
• Added a challenges page with one challenge: Purist.
• Flower's spritework has been heavily touched up.
• Smoke Mole's bomb is now animated.
• Angler's unlock condition has been changed to be easier.
• Acorn was changed to only spawn four permanent trees instead of four new ones per floor.
• The chill effect from Pengun and Ice Cream returns to normal slightly faster.
• Lowered Clay Slime's HP.
• Sand Shark is now more consistent and doesn't idle after jumps.
• Bow's charge speed was slightly increased.
• Boomerang's damage was slightly increased.
• Cold Blooded was changed to only create particles when your temperature changed from it.
• Certain particles were changed to have an effect when they touch the player.
• Fixed a bug where footprints would be imprinted in Chillytop houses.
• Fixed a bug where Alexandra consumables would carry onto the next floor.
• Fixed a bug where Clay Slime and purple elites would carry their offspring onto the next floor.
• Fixed a bug where entering and exiting houses would cause particles to behave strangely.
• Fixed various issues with Smoke Mole's bomb.