Added itemsystem!

-New variables for ZUser

-Items-
->Rigged dice (increases the roll for an user by 20%)
->Book of curses (curses the duel and decreases the roll of enemies
	by 20%
->Protective shield (when in usage, decreases for a loser the lost
	zuzus by 50%)

-Exported the Duel System into a new file
-Added new File: CursedDuel
-New commands
-> !items  (lists the inventory of the user)
-> !shop   (lists the shop items and their prices [only mods])
-> !info   (links an info pastebin)
-Many Bug fixes

I think that's it FrankerZ