Version 1.2.0:

1. Fixed errors in ECMAScript 5 Polyfill;
2. Added support of JavaScript `undefined` type;
3. Added unit tests, that checking support of ECMAScript 5 features.

Author: Taritsyn

CHANGELOG.md

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+Change log
+==========
+
+## December 25, 2013 - v1.2.0
+ * Fixed errors in ECMAScript 5 Polyfill
+ * Added support of JavaScript `undefined` type
+
+## September 3, 2013 - v1.1.3
+ * Access modifier of the `JsEngineLoadException` class has changed to public
+
+## June 20, 2013 - v1.1.2
+ * JSON2 library was updated to version of May 26, 2013
+
+## October 15, 2012 - v1.1.1
+ * Assembly `MsieJavaScriptEngine.dll` now signed
+
+## October 11, 2012 - v1.1.0
+ * Added ability of using the Douglas Crockford's [JSON2](http://github.com/douglascrockford/JSON-js) library
+ * By default using of the JSON2 library is disabled
+
+## September 21, 2012 - v1.0.8
+ * Changed the format of error messages
+
+## September 9, 2012 - v1.0.7
+ * Added the `ActiveScriptErrorFormatter` class
+
+## August 29, 2012 - v1.0.5
+ * [JavaScript Array Polyfills from TutorialsPoint.com](http://www.tutorialspoint.com/javascript/) was replaced by the Douglas Crockford's [ECMAScript 5 Polyfill](http://nuget.org/packages/ES5)
+ * By default using of the ECMAScript 5 Polyfill is disabled
+
+## August 27, 2012 - v1.0.1
+ * Added the `JsEngineLoadException` class
+
+## August 26, 2012 - v1.0.0
+ * Initial version uploaded