update version string

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
add support for listprojects

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
begin to do more clever default date selection

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
support varying output modifiers for report

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>