ShopShelves

Changelog:

• Custom Price GUI New Statistics Book.
• Customer GUI Shift right/left click the shops top front face.
• Breaking the container of a playershop now correctly gets rid of the shop.
• World list added to main config when list empty allow all worlds otherwise list is allowing.
• Shop labels can now be changed using the Custom Price GUI.
• Custom price chat input now accepts item amount.
• Old configs should now get the new messages added to them automatically on mod update.
• /shops admin now accepts a player name to set other players in admin mode.
• Main config now accepts a language setting for %item% (found in the statistics books and chat messages).