Hey Hijang. A few more changes!

* Able to construct JSON types now (see << operator).
* JSON writer (see .json() and .write() methods)
* Implicit constructors support: Value, Array, Object.
* Array, Object: .size(), .empty(), .parse(), .import(), .write(), .json() methods added.
* Value: .empty() method added.
* Normalization of capitals: Settings, Format, Enums.
* README updated.
* Tests updated.
* Incremented version number.