Added a blacklist feature, just add what blocks and metadata to the blocklist for it to be denied being put in a blockframe.

Added block-specific limits. You can have a general limit of any number, but you can also have block-specific limits to change that number.

Added chest-pulling. You can allow or deny your players to use the sign ability to pull from connected chests.

Lot of background work, making sure things were deleted properly on island delete/reset.

Added protections against visitors so they can't break the block the sign is attached to, nor the sign itself.

Cleaned up misc. console errors that appeared when restarting server.