Added option to always clear the cache of the last track when another track starts to greatly reduce memory usage.

wobuzz/player/track.py

@@ -47,6 +47,13 @@ class Track:
 
         self.cached = True
 
+    def clear_cache(self):
+        self.cached = False
+
+        self.audio = None
+        self.sound = None
+        self.duration = 0
+
     def load_audio(self):
         type = self.path.split(".")[-1]