Modified function cache() so that the player can load all ffmpeg compatible files.

wobuzz/player/playlist.py

@@ -33,8 +33,8 @@ class Playlist:
         m3u = file.read()
         file.close()
 
-        lines = m3u.split("\n")  # m3u entries
-        lines = lines[:-1]
+        lines = m3u.split("\n")  # m3u entries are separated by newlines
+        lines = lines[:-1]  # remove last entry because it is just an empty string
 
         i = 0
         num_lines = len(lines)