Cloak and Dagger

- added a tag-based auto-registration system as an alternative to registering every item by hand. Tagging them under cloakanddagger:[item type] will automatically register them to have certain stats. Default values include axe, battleaxe, book, bow, buckler, claw, crossbow, dagger, gauntlet, greatmace, greatsword, gun, hoe, khopesh, longsword, mace, magestaff, pickaxe, pike, polearm, quarterstaff, rapier, scythe, shield, shovel, sign, spear, sword, thrown, tower_shield, wand, and whip.