Custom Price GUI:

New Shop Shelf Statistics Book:

Shows the slot number item name and amount in lore + the profit and loss made on this shop

More Compatible with DrawerShelves: https://www.spigotmc.org/resources/drawershelves.133020/
No longer turns Drawers into shops:

+ Now also removes drawers from being turned into player shops.
+ Now allows admins and shop owners to break the container to remove the playershop.
+ Now adds copper chests to playershop containers (to match the fabric version)