Fixed exception in GroupHierarchy when loading a game Fixed resources that deplete over time not unsubscribing from events and causing exceptions after loading a game Lowered grass requirements for turf roofs Collaborations will now expire if they exist for 4x the timeout, regardless of state (previously they could only timeout if their state was pending, that didn't catch collabs that are stuck for other reasons) Fixed collaboration OnStateChanged event not getting hooked up when loading a game Can now remove a collaboration from the debug panel