diff --git a/build/tween.min.js b/build/tween.min.js
index ae96bed..322976b 100644
--- a/build/tween.min.js
+++ b/build/tween.min.js
@@ -1,8 +1,8 @@
 // tween.js - http://github.com/sole/tween.js
 'use strict';void 0===Date.now&&(Date.now=function(){return(new Date).valueOf()});var TWEEN=TWEEN||function(){var a=[];return{REVISION:"8dev",getAll:function(){return a},removeAll:function(){a=[]},add:function(c){a.push(c)},remove:function(c){c=a.indexOf(c);-1!==c&&a.splice(c,1)},update:function(c){if(0===a.length)return!1;for(var b=0,d=a.length,c=void 0!==c?c:Date.now();b<d;)a[b].update(c)?b++:(a.splice(b,1),d--);return!0}}}();
-TWEEN.Tween=function(a){var c={},b={},d=1E3,e=0,f=null,h=TWEEN.Easing.Linear.None,r=TWEEN.Interpolation.Linear,k=[],l=null,m=!1,n=null,p=null;this.to=function(a,c){void 0!==c&&(d=c);b=a;return this};this.start=function(d){TWEEN.add(this);m=!1;f=void 0!==d?d:Date.now();f+=e;for(var g in b)if(null!==a[g]){if(b[g]instanceof Array){if(0===b[g].length)continue;b[g]=[a[g]].concat(b[g])}c[g]=a[g]}return this};this.stop=function(){TWEEN.remove(this);return this};this.delay=function(a){e=a;return this};this.easing=
-function(a){h=a;return this};this.interpolation=function(a){r=a;return this};this.chain=function(){k=arguments;return this};this.onStart=function(a){l=a;return this};this.onUpdate=function(a){n=a;return this};this.onComplete=function(a){p=a;return this};this.update=function(e){if(e<f)return!0;!1===m&&(null!==l&&l.call(a),m=!0);var g=(e-f)/d,g=1<g?1:g,i=h(g),j;for(j in c){var s=c[j],q=b[j];a[j]=q instanceof Array?r(q,i):s+(q-s)*i}null!==n&&n.call(a,i);if(1==g){null!==p&&p.call(a);g=0;for(i=k.length;g<
-i;g++)k[g].start(e);return!1}return!0}};
+TWEEN.Tween=function(a){var c={},b={},d=1E3,e=0,f=null,h=TWEEN.Easing.Linear.None,r=TWEEN.Interpolation.Linear,k=[],l=null,m=!1,n=null,p=null;this.to=function(a,c){void 0!==c&&(d=c);b=a;return this};this.start=function(d){TWEEN.add(this);m=!1;f=void 0!==d?d:Date.now();f+=e;for(var g in b)if(null!==a[g]&&g in a){if(b[g]instanceof Array){if(0===b[g].length)continue;b[g]=[a[g]].concat(b[g])}c[g]=a[g]}return this};this.stop=function(){TWEEN.remove(this);return this};this.delay=function(a){e=a;return this};
+this.easing=function(a){h=a;return this};this.interpolation=function(a){r=a;return this};this.chain=function(){k=arguments;return this};this.onStart=function(a){l=a;return this};this.onUpdate=function(a){n=a;return this};this.onComplete=function(a){p=a;return this};this.update=function(e){if(e<f)return!0;!1===m&&(null!==l&&l.call(a),m=!0);var g=(e-f)/d,g=1<g?1:g,i=h(g),j;for(j in c){var s=c[j],q=b[j];a[j]=q instanceof Array?r(q,i):s+(q-s)*i}null!==n&&n.call(a,i);if(1==g){null!==p&&p.call(a);g=0;for(i=
+k.length;g<i;g++)k[g].start(e);return!1}return!0}};
 TWEEN.Easing={Linear:{None:function(a){return a}},Quadratic:{In:function(a){return a*a},Out:function(a){return a*(2-a)},InOut:function(a){return 1>(a*=2)?0.5*a*a:-0.5*(--a*(a-2)-1)}},Cubic:{In:function(a){return a*a*a},Out:function(a){return--a*a*a+1},InOut:function(a){return 1>(a*=2)?0.5*a*a*a:0.5*((a-=2)*a*a+2)}},Quartic:{In:function(a){return a*a*a*a},Out:function(a){return 1- --a*a*a*a},InOut:function(a){return 1>(a*=2)?0.5*a*a*a*a:-0.5*((a-=2)*a*a*a-2)}},Quintic:{In:function(a){return a*a*a*
 a*a},Out:function(a){return--a*a*a*a*a+1},InOut:function(a){return 1>(a*=2)?0.5*a*a*a*a*a:0.5*((a-=2)*a*a*a*a+2)}},Sinusoidal:{In:function(a){return 1-Math.cos(a*Math.PI/2)},Out:function(a){return Math.sin(a*Math.PI/2)},InOut:function(a){return 0.5*(1-Math.cos(Math.PI*a))}},Exponential:{In:function(a){return 0===a?0:Math.pow(1024,a-1)},Out:function(a){return 1===a?1:1-Math.pow(2,-10*a)},InOut:function(a){return 0===a?0:1===a?1:1>(a*=2)?0.5*Math.pow(1024,a-1):0.5*(-Math.pow(2,-10*(a-1))+2)}},Circular:{In:function(a){return 1-
 Math.sqrt(1-a*a)},Out:function(a){return Math.sqrt(1- --a*a)},InOut:function(a){return 1>(a*=2)?-0.5*(Math.sqrt(1-a*a)-1):0.5*(Math.sqrt(1-(a-=2)*a)+1)}},Elastic:{In:function(a){var c,b=0.1;if(0===a)return 0;if(1===a)return 1;!b||1>b?(b=1,c=0.1):c=0.4*Math.asin(1/b)/(2*Math.PI);return-(b*Math.pow(2,10*(a-=1))*Math.sin((a-c)*2*Math.PI/0.4))},Out:function(a){var c,b=0.1;if(0===a)return 0;if(1===a)return 1;!b||1>b?(b=1,c=0.1):c=0.4*Math.asin(1/b)/(2*Math.PI);return b*Math.pow(2,-10*a)*Math.sin((a-c)*
diff --git a/test/unit/unittests_tween.min.html b/test/unit/unittests_tween.min.html
new file mode 100644
index 0000000..123a08e
--- /dev/null
+++ b/test/unit/unittests_tween.min.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>tween.js Unit Tests - Using build/tween.min.js</title>
+  <link rel="stylesheet" href="qunit-1.10.0.css">
+</head>
+<body>
+  <div id="qunit"></div>
+  <script type="text/javascript" src="qunit-1.10.0.js"></script>
+
+  <!-- add tween.js sources to test below -->
+
+  <script type="text/javascript" src="../../build/tween.min.js"></script>
+
+  <!-- add class-based unit tests below -->
+
+  <script type="text/javascript" src="TestTweens.js"></script>
+
+</body>
+</html>