Moves some list initializations to New

Fixes missing ..() calls in New()

code/modules/mob/living/living.dm

@@ -121,7 +121,7 @@ Sorry Giacom. Please don't be mad :(
 	if(moving_diagonally)//no mob swap during diagonal moves.
 		return 1
 
-	if(!M.buckled && !M.buckled_mobs.len)
+	if(!M.buckled && !M.has_buckled_mobs())
 		var/mob_swap
 		//the puller can always swap with its victim if on grab intent
 		if(M.pulledby == src && a_intent == "grab")

code/modules/mob/living/simple_animal/bot/mulebot.dm

@@ -357,7 +357,7 @@ var/global/mulebot_count = 0
 
 	if(isobj(AM))
 		var/obj/O = AM
-		if(O.buckled_mobs.len || (locate(/mob) in AM)) //can't load non crates objects with mobs buckled to it or inside it.
+		if(O.has_buckled_mobs() || (locate(/mob) in AM)) //can't load non crates objects with mobs buckled to it or inside it.
 			buzz(SIGH)
 			return
 

code/modules/mob/living/simple_animal/parrot.dm

@@ -811,7 +811,7 @@
 
 	if(icon_state == "parrot_fly")
 		for(var/mob/living/carbon/human/H in view(src,1))
-			if(H.buckled_mobs.len >= H.max_buckled_mobs) //Already has a parrot, or is being eaten by a slime
+			if(H.has_buckled_mobs() && H.buckled_mobs.len >= H.max_buckled_mobs) //Already has a parrot, or is being eaten by a slime
 				continue
 			perch_on_human(H)
 			return

code/modules/mob/living/ventcrawling.dm

@@ -15,7 +15,7 @@ var/list/ventcrawl_machinery = list(/obj/machinery/atmospherics/components/unary
 	if(restrained())
 		src << "You can't vent crawl while you're restrained!"
 		return
-	if(buckled_mobs.len)
+	if(has_buckled_mobs())
 		src << "You can't vent crawl with others creatures on you!"
 		return
 	if(buckled)

code/modules/mob/mob.dm

@@ -25,6 +25,7 @@ var/next_mob_id = 0
 	..()
 
 /atom/proc/prepare_huds()
+	hud_list = list()
 	for(var/hud in hud_possible)
 		var/image/I = image('icons/mob/hud.dmi', src, "")
 		I.appearance_flags = RESET_COLOR