Changes a lot of del() to qdel()

code/datums/ai_laws.dm

@@ -134,7 +134,7 @@
 	src.ion += law
 
 /datum/ai_laws/proc/clear_inherent_laws()
-	del(src.inherent)
+	qdel(src.inherent)
 	src.inherent = list()
 
 /datum/ai_laws/proc/add_supplied_law(number, law)

code/datums/diseases/_disease.dm

@@ -138,7 +138,7 @@ var/list/diseases = typesof(/datum/disease) - /datum/disease
 		for(var/datum/disease/D in affected_mob.viruses)
 			if(D != src)
 				if(IsSame(D))
-					del(D)
+					qdel(D)
 
 		if(holder == affected_mob)
 			if(affected_mob.stat != DEAD)
@@ -156,7 +156,7 @@ var/list/diseases = typesof(/datum/disease) - /datum/disease
 			if(!(type in affected_mob.resistances))
 				affected_mob.resistances += type
 				remove_virus()
-	del(src)
+	qdel(src)
 
 
 /datum/disease/New()

code/datums/diseases/advance/advance.dm

@@ -107,7 +107,7 @@ var/list/advance_cures = 	list(
 		if(resistance && !(id in affected_mob.resistances))
 			affected_mob.resistances[id] = id
 		remove_virus()
-	del(src)	//delete the datum to stop it processing
+	qdel(src)	//delete the datum to stop it processing
 
 // Returns the advance disease with a different reference memory.
 /datum/disease/advance/Copy(process = 0)

code/datums/gas_mixture.dm

@@ -321,7 +321,7 @@ What are the archived variables for?
 				trace_gases += corresponding
 			corresponding.moles += trace_gas.moles
 
-//	del(giver)
+//	qdel(giver)
 	return 1
 
 /datum/gas_mixture/remove(amount)

code/datums/modules.dm

@@ -24,7 +24,7 @@ var/list/modules = list(			// global associative list
 	var/mneed = mods.inmodlist(type)		// find if this type has modules defined
 
 	if(!mneed)		// not found in module list?
-		del(src)	// delete self, thus ending proc
+		qdel(src)	// delete self, thus ending proc
 
 	var/needed = mods.getbitmask(type)		// get a bitmask for the number of modules in this object
 	status = needed