Input Handler working. Dragging, sliding, click detection, multi-touch. Appears to be an issue with bringToTop but it's most likely a problem with the swapChild function rather than Input.

src/core/World.js

@@ -91,6 +91,17 @@ Phaser.World.prototype = {
 
 	},
 
+	bringToTop: function (child) {
+
+		if (child !== this._stage.last)
+		{
+			this.swapChildren(child, this._stage.last);
+		}
+
+		return child;
+
+	},
+
 	swapChildren: function (child1, child2) {
 
 		if (child1 === child2 || !child1.parent || !child2.parent)

src/gameobjects/Sprite.js

@@ -319,6 +319,19 @@ Phaser.Sprite.prototype.getLocalUnmodifiedPosition = function(p, x, y) {
 
 }
 
+Phaser.Sprite.prototype.bringToTop = function() {
+
+    if (this.group)
+    {
+        this.group.bringToTop(this);
+    }
+    else
+    {
+        this.game.world.bringToTop(this);
+    }
+
+}
+
 Phaser.Sprite.prototype.getBounds = function(rect) {
 
     rect = rect || new Phaser.Rectangle;

src/input/InputHandler.js

@@ -672,7 +672,7 @@ Phaser.InputHandler.prototype = {
 
         if (this.dragFromCenter)
         {
-            this.sprite.transform.centerOn(pointer.worldX, pointer.worldY);
+            // this.sprite.transform.centerOn(pointer.worldX, pointer.worldY);
             this._dragPoint.setTo(this.sprite.x - pointer.x, this.sprite.y - pointer.y);
         }
         else