Changed the killstreaks format, reset the previous killstreaks section in config.yml
Added a new special item BOOST, which grants the player some potion effects for few secionds
Added a new special item TNT, which launches a tnt in the direction the player is looking
If you want the new special items to show up, either add them manually (You can see them added in the files section of the overview page) or reset the villager_shop file