App::Cmd::Subdispatch - an App::Cmd::Command that is also an App::Cmd
A hackish new that allows us to have an Command instance before they normally exist.
my $subcmd = $subdispatch->prepare($app, @args);
An overridden version of "prepare" in App::Cmd::Command that performs a new dispatch cycle.
This method returns the application that this subdispatch is a command of.
$subcmd->prepare( $subdispatch->choose_parent_app($app, $opt, $plugin), @$args );
A method that chooses whether the parent app or the subdispatch is going to be