=head2 $self->match( $c, $path )
+If path is empty (i.e. all path parts have been converted into args),
+attempts to find a default for the namespace constructed from the args,
+or the last inherited default otherwise and will match that.
+
+If path is not empty, never matches since Default will only match if all
+other possibilities have been exhausted.
+
=cut
sub match {