Security issues
For security reason change your folder name.
For security reasons deleting is not allowed.
Change the $key inside cookie.php and setcookie.php (It is the same key).
Don’t put direct link to your application from your web site (we don’t what search engines to know about our application).
Change the folder name give some strange name (e.g 3A8ahupu_MySQL_Lite_Administrator).
Don’t give root access to your client. Make new profile with only select, insert and update. You may also limit access to some database tables.
This application uses cookie and session for authentication.
The cookies are encrypted with MCRYPT_RIJNDAEL_256 and MCRYPT_RIJNDAEL_128 algorithm.(you may need php_mcrypt module)
All the pages have “Do not follow” for the search engines.