Bukkit

v3.0.0

• Recoded plugin
• Added CustomEnchantments support.
• Added extra flags.
• Lot of fixes.

v2.1.3

• Fixed bug when setting the kit's icon.

v2.1.2

• Fixed error when starting the plugin.

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 PaperSpigot|Spigot|CraftBukkit 1.8.8 - Spigot 1.7.2