diff --git a/package.json b/package.json
index 192dd8f..cf799ab 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,10 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "resource-loader": "^1.3.0",
     "brfs": "^1.2.0",
-    "eventemitter3": "^0.1.6"
+    "eventemitter3": "^0.1.6",
+    "extend": "^2.0.0",
+    "resource-loader": "^1.3.0"
   },
   "devDependencies": {
     "browserify": "^8.0.2",

diff --git a/package.json b/package.json
index 192dd8f..cf799ab 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,10 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "resource-loader": "^1.3.0",
     "brfs": "^1.2.0",
-    "eventemitter3": "^0.1.6"
+    "eventemitter3": "^0.1.6",
+    "extend": "^2.0.0",
+    "resource-loader": "^1.3.0"
   },
   "devDependencies": {
     "browserify": "^8.0.2",
diff --git a/src/core/index.js b/src/core/index.js
index dcbf19d..2134d92 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -5,12 +5,15 @@
  * @license     {@link https://github.com/GoodBoyDigital/pixi.js/blob/master/LICENSE|MIT License}
  */
 
+var extend = require('extend'),
+    utils = require('./utils');
+
 /**
  * @namespace PIXI
  */
-var core = module.exports = {
+var core = {
     // utils
-    utils: require('./utils'),
+    utils: utils,
     math: require('./math'),
     CONST: require('./const'),
 
@@ -74,7 +77,7 @@
         width = width || 800;
         height = height || 600;
 
-        if (!noWebGL && checkWebGL())
+        if (!noWebGL && utils.isWebGLSupported())
         {
             return new core.WebGLRenderer(width, height, options);
         }
@@ -83,32 +86,5 @@
     }
 };
 
-// add constants to export
-var CONST = require('./const');
-
-for (var c in CONST) {
-    core[c] = CONST[c];
-}
-
-
-var contextOptions = { stencil: true };
-
-function checkWebGL()
-{
-    try
-    {
-        if (!window.WebGLRenderingContext)
-        {
-            return false;
-        }
-
-        var canvas = document.createElement('canvas'),
-            gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
-
-        return !!(gl && gl.getContextAttributes().stencil);
-    }
-    catch (e)
-    {
-        return false;
-    }
-}
+// export core and const. We extend into const so that the non-reference types in const remain in-tact
+module.exports = extend(require('./const'), core);

diff --git a/package.json b/package.json
index 192dd8f..cf799ab 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,10 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "resource-loader": "^1.3.0",
     "brfs": "^1.2.0",
-    "eventemitter3": "^0.1.6"
+    "eventemitter3": "^0.1.6",
+    "extend": "^2.0.0",
+    "resource-loader": "^1.3.0"
   },
   "devDependencies": {
     "browserify": "^8.0.2",
diff --git a/src/core/index.js b/src/core/index.js
index dcbf19d..2134d92 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -5,12 +5,15 @@
  * @license     {@link https://github.com/GoodBoyDigital/pixi.js/blob/master/LICENSE|MIT License}
  */
 
+var extend = require('extend'),
+    utils = require('./utils');
+
 /**
  * @namespace PIXI
  */
-var core = module.exports = {
+var core = {
     // utils
-    utils: require('./utils'),
+    utils: utils,
     math: require('./math'),
     CONST: require('./const'),
 
@@ -74,7 +77,7 @@
         width = width || 800;
         height = height || 600;
 
-        if (!noWebGL && checkWebGL())
+        if (!noWebGL && utils.isWebGLSupported())
         {
             return new core.WebGLRenderer(width, height, options);
         }
@@ -83,32 +86,5 @@
     }
 };
 
-// add constants to export
-var CONST = require('./const');
-
-for (var c in CONST) {
-    core[c] = CONST[c];
-}
-
-
-var contextOptions = { stencil: true };
-
-function checkWebGL()
-{
-    try
-    {
-        if (!window.WebGLRenderingContext)
-        {
-            return false;
-        }
-
-        var canvas = document.createElement('canvas'),
-            gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
-
-        return !!(gl && gl.getContextAttributes().stencil);
-    }
-    catch (e)
-    {
-        return false;
-    }
-}
+// export core and const. We extend into const so that the non-reference types in const remain in-tact
+module.exports = extend(require('./const'), core);
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 4dae982..81190cd 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -198,6 +198,32 @@
         utils._saidHello = true;
     },
 
+    /**
+     * Helper for checking for webgl support
+     *
+     * @return {boolean}
+     */
+    isWebGLSupported: function ()
+    {
+        var contextOptions = { stencil: true };
+        try
+        {
+            if (!window.WebGLRenderingContext)
+            {
+                return false;
+            }
+
+            var canvas = document.createElement('canvas'),
+                gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
+
+            return !!(gl && gl.getContextAttributes().stencil);
+        }
+        catch (e)
+        {
+            return false;
+        }
+    }
+
     TextureCache: {},
     BaseTextureCache: {}
 };

diff --git a/package.json b/package.json
index 192dd8f..cf799ab 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,10 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "resource-loader": "^1.3.0",
     "brfs": "^1.2.0",
-    "eventemitter3": "^0.1.6"
+    "eventemitter3": "^0.1.6",
+    "extend": "^2.0.0",
+    "resource-loader": "^1.3.0"
   },
   "devDependencies": {
     "browserify": "^8.0.2",
diff --git a/src/core/index.js b/src/core/index.js
index dcbf19d..2134d92 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -5,12 +5,15 @@
  * @license     {@link https://github.com/GoodBoyDigital/pixi.js/blob/master/LICENSE|MIT License}
  */
 
+var extend = require('extend'),
+    utils = require('./utils');
+
 /**
  * @namespace PIXI
  */
-var core = module.exports = {
+var core = {
     // utils
-    utils: require('./utils'),
+    utils: utils,
     math: require('./math'),
     CONST: require('./const'),
 
@@ -74,7 +77,7 @@
         width = width || 800;
         height = height || 600;
 
-        if (!noWebGL && checkWebGL())
+        if (!noWebGL && utils.isWebGLSupported())
         {
             return new core.WebGLRenderer(width, height, options);
         }
@@ -83,32 +86,5 @@
     }
 };
 
-// add constants to export
-var CONST = require('./const');
-
-for (var c in CONST) {
-    core[c] = CONST[c];
-}
-
-
-var contextOptions = { stencil: true };
-
-function checkWebGL()
-{
-    try
-    {
-        if (!window.WebGLRenderingContext)
-        {
-            return false;
-        }
-
-        var canvas = document.createElement('canvas'),
-            gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
-
-        return !!(gl && gl.getContextAttributes().stencil);
-    }
-    catch (e)
-    {
-        return false;
-    }
-}
+// export core and const. We extend into const so that the non-reference types in const remain in-tact
+module.exports = extend(require('./const'), core);
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 4dae982..81190cd 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -198,6 +198,32 @@
         utils._saidHello = true;
     },
 
+    /**
+     * Helper for checking for webgl support
+     *
+     * @return {boolean}
+     */
+    isWebGLSupported: function ()
+    {
+        var contextOptions = { stencil: true };
+        try
+        {
+            if (!window.WebGLRenderingContext)
+            {
+                return false;
+            }
+
+            var canvas = document.createElement('canvas'),
+                gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
+
+            return !!(gl && gl.getContextAttributes().stencil);
+        }
+        catch (e)
+        {
+            return false;
+        }
+    }
+
     TextureCache: {},
     BaseTextureCache: {}
 };
diff --git a/src/index.js b/src/index.js
index 52b19c8..fab2ef9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,23 +1,17 @@
-require('./polyfill/requestAnimationFrame');
+// run the polyfills
+require('./polyfill');
 
-var core = require('./core');
+var extend = require('extend'),
+    core = require('./core');
 
-extendCore(require('./core/math'));
-extendCore(require('./extras'));
-extendCore(require('./mesh'));
-extendCore(require('./filters'));
-extendCore(require('./interaction'));
-extendCore(require('./loaders'));
-extendCore(require('./spine'));
-extendCore(require('./text'));
-extendCore(require('./deprecation'));
-
-function extendCore(obj)
-{
-    for(var key in obj)
-    {
-        core[key] = obj[key];
-    }
-}
+extend(core, require('./core/math'));
+extend(core, require('./extras'));
+extend(core, require('./mesh'));
+extend(core, require('./filters'));
+extend(core, require('./interaction'));
+extend(core, require('./loaders'));
+extend(core, require('./spine'));
+extend(core, require('./text'));
+extend(core, require('./deprecation'));
 
 module.exports = core;

diff --git a/package.json b/package.json
index 192dd8f..cf799ab 100644
--- a/package.json
+++ b/package.json
@@ -21,9 +21,10 @@
   },
   "dependencies": {
     "async": "^0.9.0",
-    "resource-loader": "^1.3.0",
     "brfs": "^1.2.0",
-    "eventemitter3": "^0.1.6"
+    "eventemitter3": "^0.1.6",
+    "extend": "^2.0.0",
+    "resource-loader": "^1.3.0"
   },
   "devDependencies": {
     "browserify": "^8.0.2",
diff --git a/src/core/index.js b/src/core/index.js
index dcbf19d..2134d92 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -5,12 +5,15 @@
  * @license     {@link https://github.com/GoodBoyDigital/pixi.js/blob/master/LICENSE|MIT License}
  */
 
+var extend = require('extend'),
+    utils = require('./utils');
+
 /**
  * @namespace PIXI
  */
-var core = module.exports = {
+var core = {
     // utils
-    utils: require('./utils'),
+    utils: utils,
     math: require('./math'),
     CONST: require('./const'),
 
@@ -74,7 +77,7 @@
         width = width || 800;
         height = height || 600;
 
-        if (!noWebGL && checkWebGL())
+        if (!noWebGL && utils.isWebGLSupported())
         {
             return new core.WebGLRenderer(width, height, options);
         }
@@ -83,32 +86,5 @@
     }
 };
 
-// add constants to export
-var CONST = require('./const');
-
-for (var c in CONST) {
-    core[c] = CONST[c];
-}
-
-
-var contextOptions = { stencil: true };
-
-function checkWebGL()
-{
-    try
-    {
-        if (!window.WebGLRenderingContext)
-        {
-            return false;
-        }
-
-        var canvas = document.createElement('canvas'),
-            gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
-
-        return !!(gl && gl.getContextAttributes().stencil);
-    }
-    catch (e)
-    {
-        return false;
-    }
-}
+// export core and const. We extend into const so that the non-reference types in const remain in-tact
+module.exports = extend(require('./const'), core);
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 4dae982..81190cd 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -198,6 +198,32 @@
         utils._saidHello = true;
     },
 
+    /**
+     * Helper for checking for webgl support
+     *
+     * @return {boolean}
+     */
+    isWebGLSupported: function ()
+    {
+        var contextOptions = { stencil: true };
+        try
+        {
+            if (!window.WebGLRenderingContext)
+            {
+                return false;
+            }
+
+            var canvas = document.createElement('canvas'),
+                gl = canvas.getContext('webgl', contextOptions) || canvas.getContext('experimental-webgl', contextOptions);
+
+            return !!(gl && gl.getContextAttributes().stencil);
+        }
+        catch (e)
+        {
+            return false;
+        }
+    }
+
     TextureCache: {},
     BaseTextureCache: {}
 };
diff --git a/src/index.js b/src/index.js
index 52b19c8..fab2ef9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,23 +1,17 @@
-require('./polyfill/requestAnimationFrame');
+// run the polyfills
+require('./polyfill');
 
-var core = require('./core');
+var extend = require('extend'),
+    core = require('./core');
 
-extendCore(require('./core/math'));
-extendCore(require('./extras'));
-extendCore(require('./mesh'));
-extendCore(require('./filters'));
-extendCore(require('./interaction'));
-extendCore(require('./loaders'));
-extendCore(require('./spine'));
-extendCore(require('./text'));
-extendCore(require('./deprecation'));
-
-function extendCore(obj)
-{
-    for(var key in obj)
-    {
-        core[key] = obj[key];
-    }
-}
+extend(core, require('./core/math'));
+extend(core, require('./extras'));
+extend(core, require('./mesh'));
+extend(core, require('./filters'));
+extend(core, require('./interaction'));
+extend(core, require('./loaders'));
+extend(core, require('./spine'));
+extend(core, require('./text'));
+extend(core, require('./deprecation'));
 
 module.exports = core;
diff --git a/src/polyfill/index.js b/src/polyfill/index.js
new file mode 100644
index 0000000..c6679da
--- /dev/null
+++ b/src/polyfill/index.js
@@ -0,0 +1 @@
+require('./requestAnimationFrame');