Aha! null is an object that isn't an Object!

var x = null;
if (typeof x == 'object')
	print(Object.keys(x).join(', '));

exec/load/fidocfg.js

@@ -51,7 +51,7 @@ function TickITCfg() {
 
 	function lcprops(obj)
 	{
-		if(typeof obj == 'object' && !Array.isArray(obj)) {
+		if(typeof obj == 'object' && obj !== null) {
 			var i;
 			var keys = Object.keys(obj);