mark each episode separatly.

Plex freaks out otherwise.

Author: pkkid

tools/plex-markwatched.py

@@ -28,4 +28,4 @@
                 for episode in item.episodes():
                     if not episode.isWatched:
                         print('%s Marking %s watched.' % (datestr(), episode.title))
-                        item.markWatched()
+                        episode.markWatched()