Just use the kit export system and it will do everything for you.
Fixed Auto-Respawn not working correctly.
Fixed some commands not checking for valid arguments correctly.
Other minor fixes.
Added NBT item support.
You will need to set Options.Always-Use-NBT to true in settings.yml, note that this will make every item from the kit a NBT value, it will just read the raw NBT of the item without any filters, so for example, it will look like this after you use the export command: