add skip and leave command

src/music_queue.py

@@ -1,9 +1,15 @@
+import random
+
 class music_queue:
-	def __init__(self):
+	def __init__(self, random=False):
 		self.elem = []
+		self.random=random
 	def enqueue(self, a):
 		self.elem.append(a)
 	def dequeue(self):
-		return self.elem.pop(0)
+		if self.random:
+			return self.elem.pop(random.randrange(0, len(self.elem)))
+		else:
+			return self.elem.pop(0)
 	def has_next(self):
 		return self.elem