2.5.6 - 1.21.1

• New LOOT_FUNCTION_TYPE -> add conditional Item (Checks if the item is registered, if not uses fallback item)
• New LOOT_FUNCTION_TYPE -> Bind Spell From Pools Function (Binds a random spell from pools to a weapon or jewelry for example)
• New LOOT_POOL_ENTRY_TYPE -> the item only gets added to the loot table, if its registered (without fallback item)
• Update es_ar (Thanks Texalius)