Added pid variable to wdbcli class.
Created `create_user_test.php` to test creation of different types of users.
Changed the $_GET to $_REQUEST in the API pages, so POST statements could be used instead of the URI.
Renamed sql.inc.php to SQL.inc.php to allow the __autoload() function to work, same for wdb_xml.inc.php to xml.inc.php.
Created a ranks.txt file for each theme to have its one ranking system.