Fixes a few runtimes (#12893)

* Some runtime fixes

* fixes #12892

* Alternative fix. Better behaviour

* qdel atmos thingy when loc is null

* Eye colour init protection

* Whoops. Forgotten /

* Suggestions update

* Fixed a runtime where IPCs losing their arms would cause a runtime in the hand

* Fixes mobs being able to nuzzle a grill to dead and a runtime there

* Added extra logging to the NPCpools

code/modules/flufftext/Hallucination.dm

@@ -147,6 +147,8 @@ Gunshots/explosions/opening doors/less rare audio (done)
 	START_PROCESSING(SSobj, src)
 
 /obj/effect/hallucination/fake_flood/process()
+	if(!target)
+		qdel(src)
 	if(next_expand <= world.time)
 		radius++
 		if(radius > FAKE_FLOOD_MAX_RADIUS)

code/modules/surgery/organs/augments_eyes.dm

@@ -12,12 +12,11 @@
 	var/see_invisible = 0
 	var/lighting_alpha
 	
-	var/eye_colour = "#000000"
+	var/eye_colour = "#000000" // Should never be null
 	var/old_eye_colour = "#000000"
 	var/flash_protect = 0
 	var/aug_message = "Your vision is augmented!"
 
-
 /obj/item/organ/internal/cyberimp/eyes/insert(var/mob/living/carbon/M, var/special = 0)
 	..()
 	var/mob/living/carbon/human/H = M

code/modules/surgery/organs/eyes.dm

@@ -5,7 +5,7 @@
 	organ_tag = "eyes"
 	parent_organ = "head"
 	slot = "eyes"
-	var/eye_colour = "#000000"
+	var/eye_colour = "#000000" // Should never be null
 	var/list/colourmatrix = null
 	var/list/colourblind_matrix = MATRIX_GREYSCALE //Special colourblindness parameters. By default, it's black-and-white.
 	var/list/replace_colours = LIST_GREYSCALE_REPLACE

code/modules/surgery/organs/organ_external.dm

@@ -404,7 +404,7 @@ Note that amputating the affected organ does in fact remove the infection from t
 			fracture()
 
 /obj/item/organ/external/proc/check_for_internal_bleeding(damage)
-	if(NO_BLOOD in owner.dna.species.species_traits)
+	if(owner && NO_BLOOD in owner.dna.species.species_traits)
 		return
 	var/local_damage = brute_dam + damage
 	if(damage > 15 && local_damage > 30 && prob(damage) && !is_robotic())