More exception catching
Use dictionary cache for genres and persons to reduce database
interaction
Improve fail cound handling of unavailable epgIds
Extend some web APIs (untested)
Include recordings that are going to be scheduled in duplicate filtering
for other schedules
Fix premature ending of for-loop in Scheduler._filterOutDuplicates
Improve logging in Scheduler._filterOutDuplicates
Improve mythtv_converter.py (still WIP)