Add rendering forms to messages, add configuring mucs, add getting muc affiliations, add a bunch of other stuff idk man check the diff

go-xmpp/stanza/packet.go

@@ -10,7 +10,7 @@ type Attrs struct {
 	Id   string     `xml:"id,attr,omitempty"`
 	From string     `xml:"from,attr,omitempty"`
 	To   string     `xml:"to,attr,omitempty"`
-	Lang string     `xml:"lang,attr,omitempty"`
+	Lang string     `xml:"xml:lang,attr,omitempty"`
 }
 
 type packetFormatter interface {