command /gms <number>:
	 permission: skript.gamer
	 trigger:
		 if arg 1 is "0":
			 set player's gamemode to survival
		 if arg 1 is "1":
			 set player's gamemode to creative
		 if arg 1 is "2":
			 set player's gamemode to adventure

command /head [<player>] [<offline player>]:
	 permission: skript.head
	 trigger:
	 if arg 2 is not set:
			 give arg-1's skull to player
		 if arg 1 is not set:
			 gibe arg-2's skull to player