diff --git a/Gruntfile.js b/Gruntfile.js
index 32fe511..6754431 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -124,7 +124,7 @@
         },
         jshint: {
             options: {
-                jshintrc: '.jshintrc'
+                jshintrc: './.jshintrc'
             },
             source: srcFiles.filter(function(v) { return v.match(/(Intro|Outro|Spine|Pixi)\.js$/) === null; }).concat('Gruntfile.js'),
             test: {

diff --git a/Gruntfile.js b/Gruntfile.js
index 32fe511..6754431 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -124,7 +124,7 @@
         },
         jshint: {
             options: {
-                jshintrc: '.jshintrc'
+                jshintrc: './.jshintrc'
             },
             source: srcFiles.filter(function(v) { return v.match(/(Intro|Outro|Spine|Pixi)\.js$/) === null; }).concat('Gruntfile.js'),
             test: {
diff --git a/src/pixi/display/DisplayObjectContainer.js b/src/pixi/display/DisplayObjectContainer.js
index 9f32a51..44cbaa1 100644
--- a/src/pixi/display/DisplayObjectContainer.js
+++ b/src/pixi/display/DisplayObjectContainer.js
@@ -37,9 +37,8 @@
  */
 PIXI.DisplayObjectContainer.prototype.addChild = function(child)
 {
-    if(child.parent !== undefined)
+    if(child.parent && child.parent !== this)
     {
-
         //// COULD BE THIS???
         child.parent.removeChild(child);
     //  return;

diff --git a/Gruntfile.js b/Gruntfile.js
index 32fe511..6754431 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -124,7 +124,7 @@
         },
         jshint: {
             options: {
-                jshintrc: '.jshintrc'
+                jshintrc: './.jshintrc'
             },
             source: srcFiles.filter(function(v) { return v.match(/(Intro|Outro|Spine|Pixi)\.js$/) === null; }).concat('Gruntfile.js'),
             test: {
diff --git a/src/pixi/display/DisplayObjectContainer.js b/src/pixi/display/DisplayObjectContainer.js
index 9f32a51..44cbaa1 100644
--- a/src/pixi/display/DisplayObjectContainer.js
+++ b/src/pixi/display/DisplayObjectContainer.js
@@ -37,9 +37,8 @@
  */
 PIXI.DisplayObjectContainer.prototype.addChild = function(child)
 {
-    if(child.parent !== undefined)
+    if(child.parent && child.parent !== this)
     {
-
         //// COULD BE THIS???
         child.parent.removeChild(child);
     //  return;
diff --git a/src/pixi/renderers/webgl/WebGLGraphics.js b/src/pixi/renderers/webgl/WebGLGraphics.js
index 50ba448..bb90529 100644
--- a/src/pixi/renderers/webgl/WebGLGraphics.js
+++ b/src/pixi/renderers/webgl/WebGLGraphics.js
@@ -110,7 +110,7 @@
         {
             PIXI.WebGLGraphics.buildRectangle(data, graphics._webGL);
         }
-        else if(data.type === PIXI.Graphics.CIRC || data.type === PIXI.Graphics.ELIP);
+        else if(data.type === PIXI.Graphics.CIRC || data.type === PIXI.Graphics.ELIP)
         {
             PIXI.WebGLGraphics.buildCircle(data, graphics._webGL);
         }