add web.dl to sdtv
- New setting: use_safe_copy to use chunked copy (better for the pi)
- Log the episodes included in each download.
- Don't download an episode that has been downloaded already (even if
now gone)
- Fix the naming system for sequential multipart (wasn't recognised by
xbmc if more than 2 eps)
Workaround for frodo bug where deleting episodes doesn't fire library
change events
add docstring
make recent backlogger and days back configurable
0.0.17 release