@EventHandler
    public void onBuild(BlockPlaceEvent e) {
    	final Player p = e.getPlayer();
    	if(!Main.Build.contains(p)) {
    		e.setCancelled(true);
    	}
    }



    @EventHandler
    public void onBreak(BlockBreakEvent e) {
    	final Player p = e.getPlayer();
    	if(!Main.Build.contains(p)) {
    		e.setCancelled(true);
    	}
    }