sub Application::load_module {
  my($self, $class) = @_;
  return 1 if do {
    no strict 'refs';
    # may need string eq here
    ${"${class}::VERSION"} == $self->required_version($class);
  };
  (my $path = "$class.pm") =~ s{::}{/}g;
  delete $INC{$path};
  require $path;
}