First commit; requires latest Enano from Hg. It works!
<?php
$plugins->attachHook('acl_rule_init', 'ajim_permissions_setup($session, $this);');
function ajim_permissions_setup(&$session, &$paths)
{
$session->register_acl_type('ajim_post', AUTH_ALLOW, 'ajim_perm_post', Array(), 'All');
$session->register_acl_type('ajim_edit', AUTH_ALLOW, 'ajim_perm_edit', Array(), 'All');
$session->register_acl_type('ajim_mod', AUTH_DISALLOW, 'ajim_perm_mod', Array('ajim_post'), 'All');
}