Ah. I have improved taming code a little anyway, heh.
Because they are available only to specific group, you can remove this restriction if you want to make them usable by everyone. You can read about permissions here:
http://arkserverapi.com/resources/permissions.12/. Also, on plugin download page you can find an explanation of every config option.
It's default amount of kits that every player, that joins your server, has (by default).
It's possible, again, look at the commands listed here:
http://arkserverapi.com/resources/shop-currency-kits.14/.