Method update

src/main/java/fielded/webserver/Server.java:290–300

()

            Runnable c = queue.poll();
            try {
                c.run();
            } catch (Exception e) {
                System.err.println(" exception thrown in main thread update ");
                e.printStackTrace();
            }
        }
    }


    public <T> Future<T> queue(Callable<T> c) {
        if (RunLoop.main.isMainThread()) {
            CompletableFuture<T> f = new CompletableFuture<>();
            try {
                T t = c.call();