public static void error(String msg, Throwable ex) { log(ERROR, System.err, msg, ex);
public static void error(String msg) { log(ERROR, System.err, msg, null);
	public static void error(String msg, Throwable ex) {		log(ERROR, System.err, msg, ex);		/*try {			Thread.sleep(2500);		} catch (InterruptedException ex2) {			// Ignore		}*/	}