New binding configuration option: BodyOnly

The BodyOnly setting instructs the default binder to only bind to the body of a request and ignore additional sources (request parameters, etc.). This is useful if you have request parameters with the same name as model properties, which was perfectly fine in earlier versions of Nancy.

Reference: https://groups.google.com/d/msg/nancy-web-framework/qZ9i8FrSDpk/qdlVfxbXgJsJ