Add
Admin Shops (Unlimited Items can be bought/sold, no owner, no time limit/money needed)
Command /<shop/hotel> delete <Id>
Command /shop setAdminArea <catId>
Config Options to change the main command

Fix
Inventory was saved in wrong database column which broke some shops!
Prevent Buying AIR in the Shops
Stop making Items with a negative value in the shop
Make high prices for Shop Items Human readable
Support Hex Colors for every message
Show the Sites on the footer Text for the List command
Add door command to tab completion for users
Prevent NPE for some NPCs
Identical Item is not only once possible again.

Improvements
Improved Database Setup and prevent SQL Injections
Improve Sign Updater
Code Improvements