Rename packages, weapon package now sub-package of item.
Rename Weapons class to Items and move into item package.
Let Weapon interface extend Item.
Change Items methods to return Items.
Add Buyable interface.
Add getTimesBuyable to Grenade interface, change fuse time to int.
Rename Item to GameItem to resolve conflicts with org.bukkit.entity.Item
Add missing lore descriptions to grenades.
Make Buyable extend GameItem.
Allow throwing multiple grenades.
Don't flash a player with spawn protection.
Add Equipment interface, add Kevlar and Helmet.
Use reflection in Items class, add equipment items and shop categories.
Expose getMoney and setMoney in StatsUtil.
Add Weapon Shop.