Code formatting markdown discovered :-)

Added code formatting to the README.md.
Added a JsonValue.Format example.

Note that the support for escapes such as encoded unicode characters in string is not, yet, completely as specified on http://json.org. Please raise an issue, if you find something specific.

Still source code only.

Initial release (source code only, no binaries)

This is the first release of the Json library.

No binaries are included yet - hence the below 1.0 version number.