Update std.js

lib/std.js

@@ -36,7 +36,20 @@ if (!Enumerator.prototype.toArray) {
             var b = new Enumerator(this.item().Properties_);
             for (; !b.atEnd(); b.moveNext()) {
                 var c = b.item();
-                x[c.name] = c.value;
+                if (typeof c.value !== "unknown") {
+					x[c.name] = c.value;
+				} else {
+                    var i = 0, d = [];
+                    while (true) {
+                        try {
+                            d.push(c.value(i));
+                            i++;
+                        } catch (e) {
+                            break;
+                        }
+                    }
+					x[c.name] = d;
+                }
             }
             a.push(x);
         }