Fix: Duration, Multiline Items | Clean Up: Comments, Log

Duration:
Episode duration equals series duration, if unavailable

Multiline Items:
Genres, Collections, Writers, Directors can read both multiple lines and one line separated by '/'.

Comments:
Made More readable/sensible.

Log:
Added/changed to log more data for easier debugging.
Merge pull request #21 from crazyrabbit0/master

Fix: Duration, Multiline Items | Clean Up: Comments, Log