crunchy_json.py: Remove an unnecessary the try..except block
crunchy_main.py: Add support for Crunchyroll queues
Fix playlist playback

Mark videos as playable items and just let XBMC figure out the rest.
Fixes playlist playback and also videos in the list are also being
marked as watched.

Note: Must use time.sleep() before starting to play video otherwise
playhead position is not being updated.
crunchy_json.py: Use more reliable exception detection method
Blank out log-in information when logging
Merge pull request #9 from Reinis/fix_playback

Fix playback