function systemsinventory_update($content, $currentVersion)
{
    switch ($currentVersion) {
        case version_compare($currentVersion, '1.0.0', '<'):
            PHPWS_Core::initModClass('users', 'permission.php');
            User_Permission::registerPermissions('systemsinventory', $content);
        case version_compare($currentVersion, '1.0.2', '<'):
            runDbMigration('update_1_0_2.sql');
        case version_compare($currentVersion, '1.0.3', '<'):
            runDbMigration('update_1_0_3.sql');
    }
    return TRUE;
}