Blocks can now have an "key" which is needed to activate them /setoption [blockname] setkey [key itemid]
Blocks can now have an coldown time during this time the block cant be activated again /setoption [blockname] setcooldown [time in seconds]
Block that have the changeblock event can now have an reset option which will reset them to their original form after a timer runs out /setoption [blockname] setreset [time in seconds]
