don't crash when receiving maintenance number

    public static boolean checkForNewUpdates(File newJson)

            throws IOException, JSONException {

        List<UpdateInfo> newList = parseJson(newJson, true);

        float currentVersion = Float.parseFloat(BuildInfoUtils.getBuildVersion());

        for (UpdateInfo update : newList) {

            if (Float.parseFloat(update.getVersion()) > currentVersion) {

            if (isCompatible(update)) {

                Log.d(TAG, "New compatiable update available");

                return true;

            }