Merge pull request #19 from allanlaal/patch-1

Merge pull request #20 from Cloud11665/master

add "tta" to the file extension blacklist

FIX for: attempt to concatenate field '?' (a nil value)

Update subliminal path

Refactor control_downloads() and allowed_media_type()

Merge pull request #12 from gdmka/feature/skip-music-files

handle distinguished formats only

feature: disable fetching subs for audio files

Disable automatic subtitle downloading for web streaming

Specify unknown language subtitles

Restore language identification from title

Correctly handle case when 'lang' key is absent

Simplify check for subtitle presence

Update debugging