Skin System

Changelogs:

Configure items to apply custom skins without having to create new items
Skins will automatically be applied when the user has the permission to use it
Attachments can also be configured to be repainted automatically
Setup Textures and Materials for each Skin
Add Skins to groups to easily give players access to a whole list of Skins
Make skins available for all players by assigning it to no permission group
Compatible with Advanced Groups to apply skins to all group members
Setup Repaint Workbenches at Traders or spawn them in the world or sell them at the Trader for the players base

Simpler, but less flexible skin system
Items can be swapped to basically any other item
Items will keep the health, attachments and cargo. So players will not loose any items when swapping and also cannot exploit the system to repair items
Weapons can be swapped seemlessly, by keeping the bullets in the chamber and properly attaching magazines back to the new weapon if possible
All items, that don't fit the new item will be put in the players inventory or on the ground when the inventory doesn't have space