Stopping dead lizards from mutating

Also adding the lizard gang

code/modules/mob/living/simple_animal/animals/lizard.dm

@@ -1,6 +1,7 @@
 /mob/living/simple_animal/lizard
 	name = "Lizard"
 	desc = "A cute tiny lizard."
+	faction = "lizard"
 	tt_desc = "E Anolis cuvieri"
 	icon = 'icons/mob/critter.dmi'
 	icon_state = "lizard"
@@ -33,7 +34,7 @@
 	. = ..()
 	if(amount_grown >= 0)
 		amount_grown += rand(0,2)
-	if(amount_grown >= 100)
+	if(amount_grown >= 100 && icon_state != icon_dead)
 		lizardman()
 		return
 
@@ -45,4 +46,4 @@
 	else	
 		new /mob/living/simple_animal/hostile/deathclaw(get_turf(src))
 		qdel(src)
-		
+