[feladat @ 113]
Password field in users.php is now set to type 'password' instead of 'text'. When typing password '*' are shown instead of the password.
[feladat @ 112]
Added better support of the PEAR:MDB2 package by using the setLimit() function instead of adding a LIMIT to the query itself and by using the quote() function to quote all parameters.
Added an error when no valid email address was given when creating or modifying a user.