(As section are story related and not per se node related, I'm wondering whether we should integrate the section stuff in the story module at some point?)
revised most of the SQL queries and tried to make drupal as secure as possible (while trying to avoid redundant/duplicate checks). For drupal's sake, try to screw something up. See the mail about PHPNuke being hacked appr. 6 days ago. The one who finds a problem is rewarded a beer (and I'm willing to ship it to Norway if required). I beg you to be evil. Try dumping a table a la "http://localhost/index.php?date=77778;DROP TABLE users" or something. ;)
This time I redid the "category"-stuff. Categories - from now on called sections - are now maintained from the admin pages, can have their own post, dump and timout thresholds as discussed earlier (some weeks ago). By tomorrow evening users will be able to enable or disable section as well - i.e. to customize the content of drop.org.