Sebazzz/SDammann.WebApi.Versioning — pull request #20 by razorsmith (2013-06-04 15:08:15+00:00)
Title: Using RouteConfig version defaults in Controller selection

I found this useful for the "Header" versioning approach in the event
that the version was not specified or for some 'Legacy' API methods that
could be mapped to a version purely based on the routeTemplate