Features

• Add an overload of UseRouter that takes Action (#332)

Bugs Fixed

• Routing is matching empty segments to parameters and defaults are wrong (#359)
• Fix behavior when optional parameters are defined within a route and not at the end (#357)
• Error message incorrectly references RouteCollection when you don't set the default handler on RouteBuilder (#351)
• Consider exposing default routing feature implementation (#333)
• Request not matching route with defaults (#324)