Armorer Villagers Overhaul

Armorer Villagers Overhaul: 

Novice level: All villagers will buy coal and ores, the ores will give the same amount of ingots back +1.

Apprentice Level: They will start buying ingots and selling unenchanted armor, asking for 1 ingot per piece. The possible armors types are:

• Iron: Savanna, Snowy and Taiga Villagers.
• Chainmail: Plains and desert Villagers.
• Copper: Jungle and Swamp Villagers.

Journeyman Level: They will start selling bells, shields, random enchanted golden armor and start buying Lava buckets, gold ingots and diamonds.

Expert Level: They will start selling unenchanted diamond armor, as well enchanted armor from apprentice level, with enchantments biased on their biomes, in other words, biome dependant enchantments have a higher chance of appearing. They will start buying iron blocks, except Swamp and Jungle, where they will buy copper or gold Blocks.

Master Level: All villagers will sell enchanted diamond armors while asking for diamonds, biased on their biome. Savanna, Snowy and Taiga Villagers will buy diamond blocks, Plains and desert Villagers gold blocks and Jungle and Swamp Villagers will sell armor trims that are only obtainable with them.