Preparing to merge new examples.

src/core/Group.js

@@ -807,7 +807,7 @@ Phaser.Group.prototype = {
     */
 	countLiving: function () {
 
-		var total = -1;
+		var total = 0;
 
 		if (this._container.children.length > 0 && this._container.first._iNext)
 		{
@@ -824,6 +824,10 @@ Phaser.Group.prototype = {
 			}
 			while (currentNode != this._container.last._iNext);
 		}
+		else
+		{
+			total = -1;
+		}
 
 		return total;
 
@@ -837,7 +841,7 @@ Phaser.Group.prototype = {
     */
 	countDead: function () {
 
-		var total = -1;
+		var total = 0;
 
 		if (this._container.children.length > 0 && this._container.first._iNext)
 		{
@@ -854,6 +858,10 @@ Phaser.Group.prototype = {
 			}
 			while (currentNode != this._container.last._iNext);
 		}
+		else
+		{
+			total = -1;
+		}
 
 		return total;
 

src/gameobjects/Sprite.js

@@ -298,7 +298,7 @@ Phaser.Sprite.prototype = Object.create(PIXI.Sprite.prototype);
 Phaser.Sprite.prototype.constructor = Phaser.Sprite;
 
 /**
-* Automatically called by World.update. You can create your own update in Objects that extend Phaser.Sprite.
+* Automatically called by World.preUpdate. You can create your own update in Objects that extend Phaser.Sprite.
 * @method Phaser.Sprite.prototype.preUpdate
 */
 Phaser.Sprite.prototype.preUpdate = function() {