[cgiapp] new CGI::Application::Dispatch version released

[Mark Stosberg]

> So the fix isn't good enough. I think line 422 should be
>    unless ( ref $e && $e->isa('Exception::Class::Base') ) {

Thanks Michael.

I've now released 3.12 which incorporates this fix from you, as well as 
a test fix from Graham TerMarsch.

     Mark