Fix playing albums

Adding empty list via addDirectoryItems/endOfDirectory caused album to
stop playing immediately. Now init function returns immediately after
calling play_album.
Bump version
Added DBIDs

I can make use of them for some script calls and other stuff.
Add spl watched count, thx phil65
catch potential errors
Merge pull request #19 from phil65/patch-1

Added DBIDs
Add support for custom nodes in playlist infoline
Add support for tv shows playlist infoline
Merge pull request #20 from phate89/master

Add suport for custom nodes and tv shows in playlist info
Fetch from correct item
Edited the playlist infoline method to work with every working path
Merge pull request #21 from phate89/master

Edited the playlist infoline method to work with every working path
Fix XFILE::CDirectory::GetDirectory - Error getting plugin://service.library.data.provider/?type=playliststats&id=
- thx @phil65
Add tvshow count
Update README
markdown
Fix a regression from 24f73335fae732e28bf0d8b6389e9fe65d486c6c and separate behavior of tv shows and episodes
Merge pull request #22 from phate89/master

Fix a regression from 24f73335fae732e28bf0d8b6389e9fe65d486c6c and separate behavior of tv shows and episodes
bump version
Add director for episodes