Dancer prefix bug: only the first of a set of side-by-side prefixes is accessible

prefixdemo.pl

#!/usr/bin/perl -w

use Dancer;

prefix '/a' => sub {
  prefix '/b' => sub {
    get '/foo' => sub { "Hello!" };
    get '/bar' => sub { "Goodbye!" };
  };

  prefix '/c' => sub {
    get '/foo' => sub { "Goodbye!" };
    get '/bar' => sub { "Hello!" };
  };
};

dance;