+ Fixed an issue with the sell gui that caused items to be duplicated, this would be achieved when you have to enter a price for the item, but then proceed to reopen the sell gui and click the edit price again. Once you do it a few times then give a non numerical value, it would double the item count.

+ Removed the old admin item system (when you middle click it would delete the item / return it to the player)
+ Added a new admin option for the item in place of the old system
https://gyazo.com/62e513d7420f24513c0d61c2f547f44a
That is the new GUI that will be shown when you middle click an item. You can either have the item sent back to the seller, claim the item for yourself, or simply delete it completely.