Merge pull request #9316 from Thalpy/Reagents_bitflats

[READY] [FermiChem] Turns reaction vars into bitflags and adds a few new procs related to that.

code/modules/mob/living/carbon/life.dm

@@ -35,6 +35,7 @@
 
 	if(stat == DEAD)
 		stop_sound_channel(CHANNEL_HEARTBEAT)
+		handle_death()
 		rot()
 
 	//Updates the number of stored chemicals for powers
@@ -43,6 +44,12 @@
 	if(stat != DEAD)
 		return 1
 
+//Procs called while dead
+/mob/living/carbon/proc/handle_death()
+	for(var/datum/reagent/R in reagents.reagent_list)
+		if(R.chemical_flags & REAGENT_DEAD_PROCESS)
+			R.on_mob_dead(src)
+
 ///////////////
 // BREATHING //
 ///////////////