6 - use more glib functions:
16 - generate error on invalid script
17 - document ./configure options better
18 - help distributors when vlock group is not avaiable at installation time
19 - plugin to ensure that vlock is run only once on a machine
20 - change the prompt timeout so it measures inactivity instead of the whole time
21 to enter a password (this means even with a timeout of one second it would
22 still be possible to authenticate)