Description of problem:
spacewalk-api returns this "bless( do{\(my $o = '0')}, 'Frontier::RPC2::Boolean')" instead of a boolean value.

Version-Release number of selected component (if applicable):
Sat5.7
Sat5.6

How reproducible:
100%

Steps to Reproduce:
> spacewalk-api --server localhost --user=admin --password=xxx user.listUsers  %session%

Actual results:
$result = [
            {
              'login_uc' => 'ADMIN',
              'id' => '1',
              'enabled' => bless( do{\(my $o = '1')}, 'Frontier::RPC2::Boolean' ),
              'login' => 'admin'
            },
            {
              'login_uc' => 'TEST',
              'id' => '3',
              'enabled' => bless( do{\(my $o = '1')}, 'Frontier::RPC2::Boolean' ),
              'login' => 'test'
            }
          ];

Expected results:
$result = [
            {
              'login_uc' => 'ADMIN',
              'id' => '1',
              'enabled' => true,
              'login' => 'admin'
            },
            {
              'login_uc' => 'TEST',
              'id' => '3',
              'enabled' => true,
              'login' => 'test'
            }
          ];
or

> spacewalk-api --server localhost --user=xxx --password=nimda user.getDetails  %session%  "admin"

Actual results:
$result = {
            'first_names' => 'Admin',
            'last_login_date' => '10/23/14 6:45:31 AM EDT',
            'org_name' => 'Red Hat SatTeam QA',
            'use_pam' => bless( do{\(my $o = '0')}, 'Frontier::RPC2::Boolean' ),
            'created_date' => '10/20/14 4:02:16 AM EDT',
            'last_name' => 'Admin',
            'email' => 'root@localhost',
            'org_id' => '1',
            'read_only' => bless( do{\(my $o = '0')}, 'Frontier::RPC2::Boolean' ),
            'errata_notification' => bless( do{\(my $o = '1')}, 'Frontier::RPC2::Boolean' ),
            'first_name' => 'Admin',
            'enabled' => bless( do{\(my $o = '1')}, 'Frontier::RPC2::Boolean' ),
            'prefix' => 'Mr.'
          };


Expected results:
$result = {
            'first_names' => 'Admin',
            'last_login_date' => '10/23/14 6:45:31 AM EDT',
            'org_name' => 'Red Hat SatTeam QA',
            'use_pam' => true,
            'created_date' => '10/20/14 4:02:16 AM EDT',
            'last_name' => 'Admin',
            'email' => 'root@localhost',
            'org_id' => '1',
            'read_only' => true,
            'errata_notification' => true,
            'first_name' => 'Admin',
            'enabled' => true,
            'prefix' => 'Mr.'
          };


Additional info: