added command line option to determine version

SaveMyPlaylist.py

@@ -160,9 +160,17 @@ class SaveMyPlaylist:
         return fileName
 
 
-if __name__ == '__main__':
+def run():
     with open("config/settings.json", "r") as f:
         SETTINGS = json.load(f)
 
     saveMyPlaylist = SaveMyPlaylist(SETTINGS['apiKey'], SETTINGS['playlistId'])
     saveMyPlaylist.download_items(SETTINGS['destinationFolder'], SETTINGS['skipDownload'])
+
+
+if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        if sys.argv[1] == '--version':
+            print('.'.join(str(part) for part in VERSION))
+    else:
+        run()