2.3 New cakes, new effects, new blocks, new achievements!

• Added "Sand Concealment" effect, if standing on sand when active the player disappears (invisibility).
• Added "Thorns" effect, player receives random amount of damage (from 0.1 to 0.7) when active.
• Added Sand Cake.
• Added Sand Mineral (for crafting Sand Cake).
• Added Sand Dust (for crafting Sand Cake).
• Added Cactus Cake.
• Added Crystal Cake.
• Added Lava Cake.
• Added Magma Cake.
• Added Prismarine Cake.
• Added achievement "Desert Whirlwind", "Hide in the Sands"
• Added achievement "Crystal Harmony", "Create and consume a crystal cake, combining the power of crystals..."
• Added achievement "Hot stuff!", "eat a lava or magma cake."
• Added achievement "Ouch", "Eat a cactus cake."
• Floppy Drive now explodes again!