* Currently no GUI, use DB access to change the row entry
* Upgraded Database table `accounts` with upgrade SQL
* Updated `admin` field to `is_admin` as boolean
* Modified pages, classes, templates to support is_admin and is_locked
Addresses #147
* Added isAdmin to user class
* Run isAdmin on EACH page to ensure admin status hasn't changed
* Added main page with no content
* Added user query page with basic form, no content