I just happened to drop over to the ASP.NET Web Stack and noticed that
nested controllers are now allowed in Web API!
This is terrific news for you F# developers who, like me, think that grouping related functionality,
including controllers, within modules is a convenient practice. Note, that this is only in the source.
You won’t be able to update your NuGet packages to get this functionality, though it is easy to replace
DefaultHttpControllerTypeResolver with this updated copy: