Nancy.ModelBinding.ModuleExtensions.Bind() Issues

gistfile1.cs

public class MyBinder : IModelBinder
{
		public object Bind(NancyContext context, Type modelType, params string[] blackList)
		{
                    var implementation = GetImplementationFromFormVariables(context.Request.Form);
                    return implementation as IMyInterface; //I don't think the cast is necessary here, but it illustrates the point
                }

                public bool CanBind(Type modelType)
                {
                    return typeof(IMyInterface).IsAssignableFrom(modelType);
                }
}

public SomeModule : NancyModule
{
  Get["/broken"] = p => {
                                       var impl = this.Bind<IMyInterface>(); // throws System.InvalidCastException - "Unable to cast object of type 'Nancy.ModelBinding.DynamicModelBinderAdapter' to type 'IMyInterface'"

                                       return impl.ImportantStuff();
                                   }

  Get["/also-broken"] = p => {
                                       var impl = (IMyInterface)this.Bind(); // MyBinder never gets instantiated, the CanBind method never gets called

                                       return impl.ImportantStuff();
                                   }

  Get["/work-around"] = p => {
                                       var binder = this.ModelBinderLocator.GetBinderForType(typeof(IInputModel));
				       
                                       var impl = binder.Bind(this.Context, typeof(IMyInterface)) as IMyInterface;

                                       return impl.ImportantStuff();
                                   }

}