Add IMusicLookupService to plan.
Skeleton for SpotifySearchService.
Change FindTrackDetails to FindTracks.
Rename Track to ZuneTrack, implementing MusicTrack.
Use MusicTrack in MusicLookup classes.
Add SpotifyTrack to design.
Add JSON.NET.
Add SpotifyTrack skeleton.
Add file for SpotifyTrack unit tests.
Make FromJsonFactory static.
Add test for Track Name parsing.
Implement track name parsing.
Add test for Album Name.
Implement album name parsing.
Add test for artist name.
Simple parsing of artist name.
Add test for duration.
Parse duration.
Add test for identifier.
Parse identifier.