First of all, to be clear, this is not the ultimate anti-grief system and it's really non-RP, but it should help some servers. I'm trying to do my best to avoid any abuse of this system, so be warned I could remove this while I'm fixing it if I see too much abuse. A better anti-grief system will come in time, but for now this is a solution servers can use.   Multiplayer thing only:   In build 32 you'll be able to claim a safehouse, making other players not able to walk in it, destroy it (fire, e