Drop support for Ruby 1.9, it be ancient now
Make Spotify.image_data API much nicer (see #19)
Make Spotify.link_as_string API much nicer (see #19)
Make Spotify.link_as_track_and_offset API much nicer (see #19)
Make Spotify.playlist_get_image API much nicer (see #19)
Make Spotify.playlistcontainer_playlist_folder_name API much nicer (see
Make Spotify.session_process_events API much nicer (see #19)
Make Spotify.session_remembered_user API much nicer (see #19)
Make Spotify.session_is_scrobbling API much nicer (see #19)
Make Spotify.session_is_scrobbling_possible API much nicer (see #19)