OpenSubtitles API

Usage of MPAA to save IMDB code to better search of subtitles in
opensubtitles API.
Missing argument fix
Prepare to Kodi usage

In kodi python is 2.14.0
You added the module requests in zelka.py it should be imported in addon.xml otherwise will be missing in clean kodi installs.
Merge pull request #18 from Mafarricos/master

OpenSubtitles API to get subtitles working with torrents