diff --git a/README.md b/README.md
index dd56547..8b155a3 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Super simple, fast and easy to use tweening engine which incorporates optimised
 Download the [minified library](http://github.com/sole/tween.js/raw/master/build/Tween.js) and include it in your html.
 
 ```html
-<script src="js/Tween.js"></script>
+<script src="js/tween.min.js"></script>
 ```
 
 The following code creates a Tween which will change the `x` attribute in a position variable, so that it goes from 50 to 400 in 2 seconds. The anonymous function set up with an interval will update the screen so that we can see something happening:
@@ -94,6 +94,14 @@ No, we like to keep it simple and free of dependencies. Feel free to make one yo
 
 ### Change log ###
 
+2012 10 27 - **r7** (4,882 KB, gzip: 1,714 KB)
+
+* Fixed start time of chained tweens when using custom timing. ([egraether](http://github.com/egraether))
+* TWEEN.update() now returns a boolean (tweens pending or not). ([mrdoob](http://github.com/mrdoob))
+* Added tween.onStart(). ([mrdoob](http://github.com/mrdoob))
+* tween.chain() now accepts multiple tweens. ([mrdoob](http://github.com/mrdoob))
+
+
 2012 04 10 - **r6** (4,707 KB, gzip: 1,630 KB)
 
 * Returning instance also in `.chain()`. ([mrdoob](http://github.com/mrdoob))
diff --git a/build/tween.min.js b/build/tween.min.js
index 9292497..90a4463 100644
--- a/build/tween.min.js
+++ b/build/tween.min.js
@@ -1,7 +1,7 @@
 // tween.js - http://github.com/sole/tween.js
-var TWEEN=TWEEN||function(){var a=[];return{REVISION:"7dev",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,q=TWEEN.Interpolation.Linear,k=[],l=null,m=!1,n=null,o=null;this.to=function(a,c){null!==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){q=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){o=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 r=c[j],p=b[j];a[j]=p instanceof Array?q(p,i):r+(p-r)*i}null!==n&&n.call(a,i);if(1==g){null!==o&&o.call(a);g=0;for(i=k.length;g<
+'use strict';var TWEEN=TWEEN||function(){var a=[];return{REVISION:"7",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){null!==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.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-
diff --git a/examples/01_bars.html b/examples/01_bars.html
index 34723b0..a7719a3 100644
--- a/examples/01_bars.html
+++ b/examples/01_bars.html
@@ -14,8 +14,8 @@
 		<div id="target"></div>
 
 		<script src="../build/tween.min.js"></script>
+		<script src="js/stats.min.js"></script>
 		<script src="js/RequestAnimationFrame.js"></script>
-		<script src="js/Stats.js"></script>
 		<script>
 			var stats;
 			var elems = [];
diff --git a/examples/02_black_and_red.html b/examples/02_black_and_red.html
index 6eb17d9..126eed6 100644
--- a/examples/02_black_and_red.html
+++ b/examples/02_black_and_red.html
@@ -22,8 +22,8 @@
 		</style>
 
 		<script src="../build/tween.min.js"></script>
+		<script src="js/stats.min.js"></script>
 		<script src="js/RequestAnimationFrame.js"></script>
-		<script src="js/Stats.js"></script>
 		<script>
 			var stats;
 
diff --git a/examples/js/Stats.js b/examples/js/stats.min.js
similarity index 51%
rename from examples/js/Stats.js
rename to examples/js/stats.min.js
index bd4e440..73744ef 100644
--- a/examples/js/Stats.js
+++ b/examples/js/stats.min.js
@@ -1,6 +1,6 @@
-// stats.js r10 - http://github.com/mrdoob/stats.js
-var Stats=function(){var l=Date.now(),m=l,g=0,n=1E3,o=0,h=0,p=1E3,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";
+// stats.js - http://github.com/mrdoob/stats.js
+var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";
 i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div");
 k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=
-"block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=
+"block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:11,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=
 a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};
diff --git a/src/Tween.js b/src/Tween.js
index 99ca260..266cfe7 100644
--- a/src/Tween.js
+++ b/src/Tween.js
@@ -16,7 +16,7 @@ var TWEEN = TWEEN || ( function () {
 
 	return {
 
-		REVISION: '7dev',
+		REVISION: '7',
 
 		getAll: function () {
 
@@ -113,7 +113,7 @@ TWEEN.Tween = function ( object ) {
 	this.start = function ( time ) {
 
 		TWEEN.add( this );
-		
+
 		_onStartCallbackFired = false;
 
 		_startTime = time !== undefined ? time : Date.now();
diff --git a/utils/builder.py b/utils/builder.py
index 9aba796..15ec67b 100644
--- a/utils/builder.py
+++ b/utils/builder.py
@@ -3,7 +3,9 @@ import os
 source = '../src/Tween.js'
 output = '../build/tween.min.js'
 
-os.system( 'java -jar compiler/compiler.jar --language_in=ECMASCRIPT5 --js ' + source + ' --js_output_file ' + output )
+os.system( 'java -jar compiler/compiler.jar --language_in=ECMASCRIPT5_STRICT --js ' + source + ' --js_output_file ' + output )
+
+# header
 
 with open(output,'r') as f: text = f.read()
-with open(output,'w') as f: f.write("// tween.js - http://github.com/sole/tween.js\n" + text)
+with open(output,'w') as f: f.write('// tween.js - http://github.com/sole/tween.js\n' + text)
diff --git a/utils/compiler/README b/utils/compiler/README
index e6d12c4..270cfc2 100644
--- a/utils/compiler/README
+++ b/utils/compiler/README
@@ -146,7 +146,7 @@ the parse tree data structures were extracted and modified
 significantly for use by Google's JavaScript compiler.
 
 Local Modifications: The packages have been renamespaced. All code not
-relavant to parsing has been removed. A JSDoc parser and static typing
+relevant to parsing has been removed. A JsDoc parser and static typing
 system have been added.
 
 
@@ -171,7 +171,7 @@ lib/args4j.jar
 
 Args4j
 URL: https://args4j.dev.java.net/
-Version: 2.0.12
+Version: 2.0.16
 License: MIT
 
 Description:
@@ -187,7 +187,7 @@ lib/guava.jar
 
 Guava Libraries
 URL: http://code.google.com/p/guava-libraries/
-Version:  r08
+Version:  13.0.1
 License: Apache License 2.0
 
 Description: Google's core Java libraries.
@@ -230,7 +230,7 @@ lib/junit.jar
 
 JUnit
 URL:  http://sourceforge.net/projects/junit/
-Version:  4.8.2
+Version:  4.10
 License:  Common Public License 1.0
 
 Description: A framework for writing and running automated tests in Java.
@@ -244,7 +244,7 @@ lib/protobuf-java.jar
 
 Protocol Buffers
 URL: http://code.google.com/p/protobuf/
-Version: 2.3.0
+Version: 2.4.1
 License: New BSD License
 
 Description: Supporting libraries for protocol buffers,
@@ -281,9 +281,9 @@ Local Modifications: None
 
 ---
 Code in:
-tools/maven-ant-tasks-2.1.1.jar
+tools/maven-ant-tasks-2.1.3.jar
 URL: http://maven.apache.org
-Version 2.1.1
+Version 2.1.3
 License: Apache License 2.0
 Description:
   Maven Ant tasks are used to manage dependencies and to install/deploy to
diff --git a/utils/compiler/compiler.jar b/utils/compiler/compiler.jar
index d958a61..e23352f 100644
Binary files a/utils/compiler/compiler.jar and b/utils/compiler/compiler.jar differ