Log through a GameLog autoload instead of print()

GameLog.debug() prints only in debug builds, and GameLog.warning() reports
problems such as unexpected server data or failed downloads.

inspiration_list.gd

@@ -49,12 +49,12 @@ func _process(delta: float) -> void:
 
 ## Fetches every soundtrack from the server and shows them.
 func load_from_server() -> void:
-	print("load_from_server")
+	GameLog.debug("load_from_server")
 	var populate_list: Callable = func populate_list(array) -> void:
 		if typeof(array) == TYPE_ARRAY:
 			show_soundtracks(array)
 		else:
-			print("Unexpected data")
+			GameLog.warning("Unexpected data")
 	MusicServerClient.fetch_all_soundtracks(populate_list)