Random Clojure functions for personal Spotify management

• Leiningen
• Spotify account

1. Register a dummy application (eg. spotify-repl) as shown here
2. Create a resources/config.edn with :client-id and :client-secret set accordingly. See resources/config-template.edn for reference
3. Run lein repl
4. Run (authorize!) and give access via your browser
5. Copy the code query parameter from the example site you're redirected to
6. Run (refresh-tokens! "...") with the code you copied
7. Now you should be able to use the rest of the API routines

One of my playlists had over 1400 songs and I wanted to follow all the artists in it. I wrote the follow-playlist-artists! routine to do it for me.