Multiple Armor sets

This would add a feature in which the player can wear armor, as well as chain mail underneath adding extra sword and arrow damage, (prot 2/proj prot 2) and leather to protect from blunt attacks like fists, tools, spiders, etc. (prot 1(no fire prot)Full armor, mail, and leather, would give the player 2 armor bars. Armor and mail only yields 1.8armor bars or 18 full armor points. Armor and leathers gives 1.2 armor bars (12 armor points). This extremely increases in defense comes with a slight disadvantage however. When wearing armor and mail you will have slowness similar to soul sand. With armor, mail, and leather, akin to slowness 1. Leather alone has no affect on speed, however if fought on fire will wearing both leather and armor, burn time in increased by 1.5x.