NancyFx/Nancy — pull request #1318 by thecodejunkie (2013-11-09 21:47:07+00:00)
Title: Updated ModelValidationResult and ModelValidationError

Instead of errors being represented by a simple
IList structure, it is not stored in an
IDictionary> structure. The key is the
name of the property that the error represents.

The error message formatter has also been updated from Func to Func, string> since MemberNames can contain
multiple values

Last, the ModelValidationError can now implicitly be cast to a string