Bukkit

v2.1.1

• Fixed errors and changed some config creating stuff.
• The language files are in the jar file, so you have to edit manually in the file.

v2.1

• Fixed problems when using the plugin with Spigot.
• Fixed some problems with the language files.

• Merged with GUIAPI. ( http://dev.bukkit.org/bukkit-plugins/guiapi/ )
• Added bypass permission: advancedkits.bypass.[kitname]

I didn't have any problem when I was testing it.
Tested on Spigot 1.8.8 - Spigot 1.7.2