v1.0.0
1. Added support of JavaScript `undefined` type; 2. In JavaScriptEngineSwitcher.Msie added support of MSIE JavaScript Engine version 1.2.0; 3. Added unit tests, that checking support of ECMAScript 5 features.
1. Added support of JavaScript `undefined` type; 2. In JavaScriptEngineSwitcher.Msie added support of MSIE JavaScript Engine version 1.2.0; 3. Added unit tests, that checking support of ECMAScript 5 features.