New Hide GUI + Improved managing of max playedrs per party
Reworked the hide gui
You are now able to change the size of the hide gui under "Inventories.HideInventory.Size"
You are now able to add custom items to the hide gui
You are now able to change the place of the items in the hide gui
You may now use %LINE_BREAK% for all hide modes
You are now able to change the material of the hide modes
You may now disable some hide modes
Moved all hide gui messages from "Messages.*" to "Inventories.HideInventory.*"
Enhanced managing of skin data for the friends gui. This should improve performance and lower the requests which are send to mojang to ask for skin information (Only works on spigot servers 1.13 or newer)
Enhanced the performance of /friend list drastically for people with many friends