Forums / Cotonti / Extensions / Support / usermanager plugin

can someone update this plugin to work with current cotonti version.

i did updated it a little, but there is still error:

Fatal error: Call to undefined function cot_sql_query() in /home2/subsdre/public_html/plugins/usermanager/usermanager.admin.php on line 256

here the zip:

http://subs.com.ru/datas/usermanager.rar