Method isPeristant

src/main/java/fieldbox/io/IO.java:144–154

(Dict.Prop prop)

	static public void persist(Dict.Prop prop) {
		knownProperties.add(prop.getName());
	}

	public static boolean isPeristant(Dict.Prop prop) {
		return knownFiles.containsKey(prop.getName()) || knownProperties.contains(prop.getName()) || (prop.findCanon() != null && prop.findCanon()
			.getAttributes()
			.isTrue(persistent, false));
	}

	public static Runnable uniqify(Box x) {
		ArrayList<Dict.Prop> k = new ArrayList<>(x.properties.getMap()
			.keySet());

		List<Runnable> undo = new LinkedList<>();