Full support for changing nodes

node.go

@@ -184,6 +184,7 @@ func (node *Node) CreatePlayer(guildID string, sessionID string, event VoiceServ
 
 	player := &Player{
 		guildID:               guildID,
+		sessionID:             sessionID,
 		manager:               node.manager,
 		node:                  node,
 		handler:               handler,

player.go

@@ -7,6 +7,7 @@ import (
 // Player is a Lavalink player
 type Player struct {
 	guildID               string
+	sessionID             string
 	time                  int
 	position              int
 	paused                bool
@@ -167,6 +168,8 @@ func (player *Player) UserLeave(userId string) error {
 // To move a player to a new Node, first player.Destroy() it, and then
 // create a new player on the new node.
 func (player *Player) Forward(sessionID string, event VoiceServerUpdate) error {
+	player.sessionID = sessionID
+
 	msg := voiceUpdateMessage{
 		Op:        opVoiceUpdate,
 		GuildID:   player.guildID,
@@ -182,6 +185,8 @@ func (player *Player) Forward(sessionID string, event VoiceServerUpdate) error {
 func (player *Player) ChangeNode(node *Node) error {
 	player.node = node
 
+	player.Forward(player.sessionID, player.lastVoiceServerUpdate)
+
 	return player.PlayAt(player.track, player.position, 0)
 }