Document properties even when then have a value of 'null'

exec/jsdocs.js

@@ -194,13 +194,12 @@ function document_properties(name, obj, type)
 
 		prop_name=name + "." + prop;
 
-		if(typeof(obj[prop])=="object" 
+		if(typeof(obj[prop])=="object"
+			&& obj[prop] !== null
 			&& prop!="socket" 
 			&& prop!="global"
 			&& prop!="scope"
             ) {
-			if(obj[prop]===null)
-				continue;
 			if(obj[prop].length!=undefined) {
 				if(typeof(obj[prop][0])=="object") {	// array ?
 					document_object(prop_name /*+ "[]"*/,obj[prop][0], "array");