Add logging to bot

bot.go

 					if len(tracks) > 0 && (err != nil || !reflect.DeepEqual(currentTracks, tracks)) {
 
 						if playlistID == "" {
-
+							log.Println("Creating new playlist")
 							info, err := app.spotify.client.CreatePlaylistForUser(app.credentials.SpotifyUser, title+" "+section.title, true)
 							if err != nil {
 								log.Println("Error creating playlist to Spotify")
 							changedWikiText = appendPlaylist(changedWikiText, info)
 							message = message + fmt.Sprintf("Added link to Spotify playlist for week %d.", weekNumber)
 						}
+						log.Printf("Updating playlist %s for %s with tracks %s\n", playlistID, app.credentials.SpotifyUser, tracks)
 						err := app.spotify.client.ReplacePlaylistTracks(app.credentials.SpotifyUser, playlistID, tracks...)
 						if err != nil {
 							log.Println("Error updating playlist to Spotify")