Fixed issue where Stage.update wasn't called.

examples/wip/class update.js

@@ -0,0 +1,38 @@
+
+var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update, render: render });
+
+ClassA = function(game, x, y, texture) {
+	Phaser.Sprite.call(this, game, x, y, texture);
+}
+
+ClassA.prototype = Object.create(Phaser.Sprite.prototype);
+ClassA.prototype.constructor = ClassA;
+
+ClassA.prototype.update = function() {
+   console.log("here");
+}
+
+function preload() {
+
+	game.load.image('pic', 'assets/pics/questar.png');
+
+}
+
+var sprite;
+
+function create() {
+
+	sprite = new ClassA(game, 100, 100, 'pic');
+
+	game.add.existing(sprite);
+
+}
+
+function update() {
+
+
+}
+
+function render() {
+
+}