diff --git a/README.md b/README.md
index f5ec43a..e070899 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Pixi Renderer
+Pixi Renderer [![Build Status](https://travis-ci.org/GoodBoyDigital/pixi.js.png?branch=dev)](https://travis-ci.org/GoodBoyDigital/pixi.js)
 =============
 
 ![pixi.js logo](http://www.goodboydigital.com/pixijs/logo_small.png)

diff --git a/README.md b/README.md
index f5ec43a..e070899 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Pixi Renderer
+Pixi Renderer [![Build Status](https://travis-ci.org/GoodBoyDigital/pixi.js.png?branch=dev)](https://travis-ci.org/GoodBoyDigital/pixi.js)
 =============
 
 ![pixi.js logo](http://www.goodboydigital.com/pixijs/logo_small.png)
diff --git a/src/pixi/display/DisplayObject.js b/src/pixi/display/DisplayObject.js
index 17dae50..2abd396 100644
--- a/src/pixi/display/DisplayObject.js
+++ b/src/pixi/display/DisplayObject.js
@@ -304,15 +304,14 @@
  */
 Object.defineProperty(PIXI.DisplayObject.prototype, 'worldVisible', {
     get: function() {
-        
         var item = this;
-    
+
         do
         {
             if(!item.visible)return false;
             item = item.parent;
         }
-        while(item.parent);
+        while(item && item.parent);
 
         return true;
     }
@@ -327,11 +326,8 @@
  * @type Graphics
  */
 Object.defineProperty(PIXI.DisplayObject.prototype, 'mask', {
-   
     get: function() {
-
         return this._mask;
-    
     },
     set: function(value) {
 
@@ -369,8 +365,6 @@
 
             // TODO change this as it is legacy
             this._filterBlock = {target:this, filterPasses:passes};
-            
-           
         }
 
         this._filters = value;
@@ -469,4 +463,4 @@
 
 PIXI.EmptyRectangle = new PIXI.Rectangle(0,0,0,0);
 
-PIXI.visibleCount = 0;
\ No newline at end of file
+PIXI.visibleCount = 0;

diff --git a/README.md b/README.md
index f5ec43a..e070899 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Pixi Renderer
+Pixi Renderer [![Build Status](https://travis-ci.org/GoodBoyDigital/pixi.js.png?branch=dev)](https://travis-ci.org/GoodBoyDigital/pixi.js)
 =============
 
 ![pixi.js logo](http://www.goodboydigital.com/pixijs/logo_small.png)
diff --git a/src/pixi/display/DisplayObject.js b/src/pixi/display/DisplayObject.js
index 17dae50..2abd396 100644
--- a/src/pixi/display/DisplayObject.js
+++ b/src/pixi/display/DisplayObject.js
@@ -304,15 +304,14 @@
  */
 Object.defineProperty(PIXI.DisplayObject.prototype, 'worldVisible', {
     get: function() {
-        
         var item = this;
-    
+
         do
         {
             if(!item.visible)return false;
             item = item.parent;
         }
-        while(item.parent);
+        while(item && item.parent);
 
         return true;
     }
@@ -327,11 +326,8 @@
  * @type Graphics
  */
 Object.defineProperty(PIXI.DisplayObject.prototype, 'mask', {
-   
     get: function() {
-
         return this._mask;
-    
     },
     set: function(value) {
 
@@ -369,8 +365,6 @@
 
             // TODO change this as it is legacy
             this._filterBlock = {target:this, filterPasses:passes};
-            
-           
         }
 
         this._filters = value;
@@ -469,4 +463,4 @@
 
 PIXI.EmptyRectangle = new PIXI.Rectangle(0,0,0,0);
 
-PIXI.visibleCount = 0;
\ No newline at end of file
+PIXI.visibleCount = 0;
diff --git a/src/pixi/display/Sprite.js b/src/pixi/display/Sprite.js
index 9dfad4a..a609f18 100644
--- a/src/pixi/display/Sprite.js
+++ b/src/pixi/display/Sprite.js
@@ -41,15 +41,6 @@
     this.texture = texture;
 
     /**
-     * The blend mode of sprite.
-     * currently supports PIXI.blendModes.NORMAL and PIXI.blendModes.SCREEN
-     *
-     * @property blendMode
-     * @type Number
-     */
-    this.blendMode = PIXI.blendModes.NORMAL;
-
-    /**
      * The width of the sprite (this is initially set by the texture)
      *
      * @property _width
@@ -88,7 +79,6 @@
 
     if(texture.baseTexture.hasLoaded)
     {
-        this.updateFrame = true;
         this.onTextureUpdate();
     }
     else