void setFileName(String newName) {
		fileName = newName;
		if (new File(fileName).exists()) {
			exists = true;
			return;
		}
		if (!newName.endsWith(".properties")) {
			File f2 = new File(newName + ".properties");
			if (f2.exists()) {
				exists = true;
				fileName = newName + ".properties";
				return;
			}
		}
	}