Fixed issue with chests not being limited properly on older servers
Improved overall performance when it comes to block limit check
Added extra comment indicating that you can actually add custom blocks to that list. Just keep in mind that even tho check itself isint that heavy on server, having more checks than you actually need might add up, so keep it as short as you actually need it to be.
Fix for glow item frames not being threated in same way as regular item frames are