Version 1.4.0:
1. Removed following methods: `HasProperty`, `GetPropertyValue`, `SetPropertyValue` and `RemoveProperty`;
2. Fixed bug #3 "execute code from different threads";
3. Now in the `ChakraJsRt` mode is available a more detailed information about errors;
4. In ECMAScript 5 Polyfill improved a performance of the `String.prototype.trim` function;
5. JSON2 library was updated to version of February 4, 2014.