- make default filter settings for index.php page a user-definable setting through the preferences page.
- display phonenumber or a 'no phonenumber known' message after you've selected who's calling.
  this way you know whether to ask for a phone number. note this probably should wait till the new addressbook app is finished.
- add/check for postgresql compatibility
- template support?
- create a nice navbar.gif picture for the navigation bar
- create translations to other languages
- clean up the code
