Scheduler now uses btime, and other improvements

code/controllers/Processes/chemistry.dm

@@ -1,7 +1,6 @@
 var/datum/controller/process/chemistry/chemistryProcess
 
 /datum/controller/process/chemistry
-	var/tmp/datum/updateQueue/updateQueueInstance
 	var/list/active_holders
 	var/list/chemical_reactions
 	var/list/chemical_reagents
@@ -9,23 +8,23 @@ var/datum/controller/process/chemistry/chemistryProcess
 /datum/controller/process/chemistry/setup()
 	name = "chemistry"
 	schedule_interval = 20 // every 2 seconds
-	updateQueueInstance = new
 	chemistryProcess = src
 	active_holders = list()
 	chemical_reactions = chemical_reactions_list
 	chemical_reagents = chemical_reagents_list
 
-/datum/controller/process/chemistry/getStatName()
-	return ..()+"([active_holders.len])"
+/datum/controller/process/chemistry/statProcess()
+	..()
+	stat(null, "[active_holders.len] reagent holder\s")
 
 /datum/controller/process/chemistry/doWork()
 	for(var/datum/reagents/holder in active_holders)
 		if(!holder.process_reactions())
 			active_holders -= holder
-		scheck()
+		SCHECK
 
 /datum/controller/process/chemistry/proc/mark_for_update(var/datum/reagents/holder)
-	if(holder in active_holders) 
+	if(holder in active_holders)
 		return
 
 	//Process once, right away. If we still need to continue then add to the active_holders list and continue later