Please add the option to increase the limit by an additional value using a permission, something like residence.max.res.add.[number]. Currently only a fixed value can be set.
This would be useful for our server where we would use this option for coupons that add n residence to the player's group limit. Currently we have a problem where a player has a coupon limit of 4 residences but if they later purchase VIP, they don't have the 5 residence limit but only the 4.