Changelog

• added The Bialowieza Forest biome
  
• added Snowy Bialowieza Forest
• added Outback biome
• added Desert Desolation biome
• added Himalayas biome
• added Amethyst gem
• added Sapphire gem
• added Malachite gem
• added Amber gem
• added Ruby gem
• added Silver
• added Steel
• added Ironworks furnace
• added Camel
• added Bison
• added Wisent
• added Forester
• added 24 new rocks
• added wooden slabs
• added swords and tools
• changed cave generator
• fixed server crash