Merge branch 'release/0.6.2-beta' into develop
Socket closes are now piped to [spotify.client.Spotify]
Added Spotify.connect function to allow manual reconnection on 'close'
Ignore the 'close' event when we trigger the disconnect
Authentication request failures are now piped to [client.Spotify]
Renamed Descriptor 'from_dict' to 'from_node_dict', added '$source' key to dict
Initial support for collections
Fixed bug when returning multiple items from a collection
Added support for collection artist portraits and fixed bug when there is no image available
Fixed issue with 'on_close' requested disconnects
Spotify.connect - re-authenticate if not already authenticated
Implemented Artist.top_tracks
Merge branch 'feature/collections' into develop
Implemented Playlist.image
Started restructuring parsing system
Base "explore" structure
Completed parser restructure, working Explore.new_releases() method

 - Explore.new_releases() method
 - Tungio parsers for Artist, Album and Image objects
 - Cleaned up [mecury.request] and MercuryJSON parsers
Implemented [Explore] featured_playlists and top_playlists, added tunigo playlist parser
Merge branch 'feature/explore' into develop
Catch exceptions in [Uri.to_gid]