Changing a person's appearance now works better

Also fixes some problems on changing gender

code/game/objects/items/changestone.dm

@@ -9,9 +9,9 @@ obj/item/changestone/attack_hand(var/mob/user as mob)
 		var/mob/living/carbon/human/H = user
 		if(!H.gloves)
 			if (H.gender == FEMALE)
-				H.gender = MALE
+				H.change_gender(MALE)
 			else
-				H.gender = FEMALE
+				H.change_gender(FEMALE)
 			H.dna.ready_dna(H)
 			H.update_body()
 	..()