Merge branch 'master' of https://github.com/Citadel-Station-13/Citadel-Station-13 into tggenetics

code/modules/client/message.dm

@@ -2,8 +2,9 @@ GLOBAL_LIST_EMPTY(clientmessages)
 
 /proc/addclientmessage(var/ckey, var/message)
 	ckey = ckey(ckey)
-	if (!ckey || !message)
+	if(!ckey || !message)
 		return
-	if (!(ckey in GLOB.clientmessages))
-		GLOB.clientmessages[ckey] = list()
-	GLOB.clientmessages[ckey] += message
+	var/list/L = GLOB.clientmessages[ckey]
+	if(!L)
+		GLOB.clientmessages[ckey] = L = list()
+	L += message