def likes(like_type = :all)
      case like_type
      when :tracks
        scrape_for(:liked_tracks, :get_liked_tracks)
      when :artists
        scrape_for(:liked_artists, :get_liked_artists)
      when :stations
        scrape_for(:liked_stations, :get_liked_stations)
      when :albums
        scrape_for(:liked_albums, :get_liked_albums)
      when :all
        { artists: likes(:artists),
          albums: likes(:albums),
          stations: likes(:stations),
          tracks: likes(:tracks) }
      end
    end
def likes(like_type = :all)
      case like_type
      when :tracks
        scrape_for(:liked_tracks, :get_liked_tracks)
      when :artists
        scrape_for(:liked_artists, :get_liked_artists)
      when :stations
        scrape_for(:liked_stations, :get_liked_stations)
      when :albums
        scrape_for(:liked_albums, :get_liked_albums)
      when :all
        { artists: likes(:artists),
          albums: likes(:albums),
          stations: likes(:stations),
          tracks: likes(:tracks) }
      end
    end
Get the user's liked data. (The results from giving a 'thumbs up.')
 @param like_type [Symbol]
   - :artists - returns an array of artist names
   - :albums - returns an array of hashes with :artist and :album keys
   - :stations - returns an array of station names
   - :tracks - returns an array of hashes with :artist and :track keys
   - :all - returns a hash with all liked data