I think you've forgotten add Class::DBI::Loader::Relationship in your base Maypole package:
package IsfdbMaypole;
use strict;
use warnings;
use lib qw(/home/hossman/.perllib/lib/perl5/site_perl);
use base 'CGI::Maypole';
###
use Class::DBI::Loader::Relationship;
###
IsfdbMaypole->config->uri_base("http://XXXXXXXXXXX/~hossman/maypole\
/");
IsfdbMaypole->config->display_tables([qw[people]]);
IsfdbMaypole->config->rows_per_page(10);
IsfdbMaypole->config->user("hossman");
IsfdbMaypole->config->pass("ZZZZZZZZZZZZ");
IsfdbMaypole->setup("dbi:mysql:test");
1;
---
Michael Stepanov aka nite_man
It's only my opinion and it doesn't have pretensions of absoluteness!