NewHTTPRouter returns a new instance of julienschmidt/httprouter this is the default router when using api2go.

HTTPRouter default router implementation for api2go.

Routeable allows drop in replacement for api2go's router by default, we are using julienschmidt/httprouter but you can use any router that has similiar features e.g.

Chain is an helper to chain middleware handlers together for an easier management.