Hi,
Here is a script I'm in the process of writing. It's not finished nor does it have all the features yet but you can take a look at my current progress.
www.suppyo.com
To log in as a user, you can use:
user - joe
pass - test
Admin:
www.suppyo.com/admin/admin_menu.php
user - webmaster
pass - 4tugboat
When finished it will have all features on your list and many more.
Let me know if you have any questions,
Tim