Argon

Added a new effect, Anti-Poison, which prevents the Poison effect from being applied while applied to an entity. Added two potion forms of the Anti-Poison effect which can be brewed with Nitre into Awkward Potions. Added a new item, Tanned Flesh, which can be smelted from Rotten Flesh. Added a new recipe for Leather, crafted from Tanned Flesh in a 2x2 square shaped crafting recipe.