Added in a Group.sort demo, also updated the documentation and build files.

docs/World.js.html

@@ -242,6 +242,10 @@
 							<a href="Phaser.Pointer.html">Pointer</a>
 						</li>
 						
+						<li>
+							<a href="Phaser.Polygon.html">Polygon</a>
+						</li>
+						
 						<li>
 							<a href="Phaser.QuadTree.html">QuadTree</a>
 						</li>
@@ -636,6 +640,22 @@ Object.defineProperty(Phaser.World.prototype, "randomY", {
 
     }
 
+});
+
+/**
+* @name Phaser.World#visible
+* @property {boolean} visible - Gets or sets the visible state of the World.
+*/
+Object.defineProperty(Phaser.World.prototype, "visible", {
+
+    get: function () {
+        return this._container.visible;
+    },
+
+    set: function (value) {
+        this._container.visible = value;
+    }
+
 });
 </pre>
         </article>
@@ -658,7 +678,7 @@ Object.defineProperty(Phaser.World.prototype, "randomY", {
 					
 		<span class="jsdoc-message">
 		Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
-		on Fri Nov 01 2013 18:16:08 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
+		on Thu Nov 07 2013 06:07:33 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
 		</span>
 				</footer>
 			</div>