anchor.diff:  		if(listclearnulls(GLOB.clients))
   			log_world("Found a null in clients list!")
   		src.currentrun = GLOB.clients.Copy()
  +
  +		switch (cleanup_ticker) // do only one of these per fire()
  +			if (0)
  +				if(listclearnulls(GLOB.player_list))
  +					log_world("Found a null in player_list!")
  +				cleanup_ticker++
  +			if (5)
  +				if(listclearnulls(GLOB.mob_list))
  +					log_world("Found a null in mob_list!")
  +				cleanup_ticker++
  +			if (10)
  +				if(listclearnulls(GLOB.alive_mob_list))
  +					log_world("Found a null in alive_mob_list!")
  +				cleanup_ticker++
  +			if (15)
  +				if(listclearnulls(GLOB.suicided_mob_list))
  +					log_world("Found a null in suicided_mob_list!")
  +				cleanup_ticker++
  +			if (20)
  +				if(listclearnulls(GLOB.dead_mob_list))
  +					log_world("Found a null in dead_mob_list!")
  +				cleanup_ticker++
  +			if (25)
  +				cleanup_ticker = 0
  +			else
  +				cleanup_ticker++
   
   	var/list/currentrun = src.currentrun
   	var/round_started = SSticker.HasRoundStarted()
  
positive.code: /datum/controller/subsystem/server_maint/Initialize(timeofday)
  	if (CONFIG_GET(flag/hub))
  		world.update_hub_visibility(TRUE)
  	return ..()
  
  /datum/controller/subsystem/server_maint/fire(resumed = FALSE)
  
negative.code: 	init_order = INIT_ORDER_SERVER_MAINT
  	runlevels = RUNLEVEL_LOBBY | RUNLEVELS_DEFAULT
  	var/list/currentrun
  	var/cleanup_ticker = 0
  
  /datum/controller/subsystem/server_maint/PreInit()
  	world.hub_password = "" //quickly! before the hubbies see us.
  