Add some unfinished methods to SongQueue

songqueue.go

@@ -8,9 +8,21 @@
 package main
 
 type SongQueue struct {
- 	songs []Song
+	queue Queue
 }
 
 func NewSongQueue() *SongQueue {
 	return &SongQueue{}
 }
+
+func (q *SongQueue) AddSong(s *Song) bool {
+	return false
+}
+
+func (q *SongQueue) NextSong() bool {
+	return false
+}
+
+//func (q *SongQueue) CurrentSong() Song {
+//	return false
+//}