Changes: Apply patch from Filip Rembiałkowski, which adds first header and last header display - for example to see time range the analysis was on. SVN repo at: http://svn.depesz.com/svn/pgsql-tools/trunk

Changes: Fix bug spotted by Selena Deckelmann %l is *number* not some string. SVN repo at: http://svn.depesz.com/svn/pgsql-tools/trunk