public Vector query(User user, byte[] xpath)
public String query( User user, String xpath, int howmany, int start, Hashtable parameters)
	public Vector query(User user, byte[] xpath)		throws EXistException, PermissionDeniedException {		try {			return query(user, new String(xpath, "UTF-8"));		} catch (UnsupportedEncodingException e) {			return query(user, new String(xpath));		}	}