Recalcluate not only the statistics for the given period, but also the global first and last dive date. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Recalcluate not only the statistics for the given period, but also the global first and last dive date. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>