adds 7 useful commands

commands

• vanish - makes the provided player invisible
• heal - sets the provided bar to the max
• mobclear - kills all of the mob in the provided radius
• scale - changes the players scale and the related attributes
• tools - gives the player a set of tools made of the provided material
• mine - mines all the blocks in the provided radius
• admintools - gives the player the strongest tools possible + the ban hammer