Among the changes:
- It removes the ``and, or, not`` keywords
- It updates the Documentation
- It moves the internal structures in the ``details::`` namespace
* JSON visitor are located in the format namespace
* Visitor are *real* visitor
* Visitable class has been renamed to Object
* Due to a bug in Visual Studio 2015, we move to VS2017
* Improve Resource Manager
* Fix bug when rebuilding resources (aligment issue)
* Provide a Python API to access to the resource tree
* Pretty print lang/sublang of resources
* Parse resource dialog
* Parse resource icons
* Parse resource version
* Add tests on the resource builder
* Add tutorial (related to #28)
rthomas