future_cutoff = time.time() + int(Cnf["Dinstall::FutureTimeTravelGrace"])
past_cutoff = time.mktime(time.strptime(Cnf["Dinstall::PastCutoffYear"],"%Y"))
tar = TarTime(future_cutoff, past_cutoff)
future_cutoff = time.time() + int(Cnf["Dinstall::FutureTimeTravelGrace"])
past_cutoff = time.mktime(time.strptime(Cnf["Dinstall::PastCutoffYear"],"%Y"))
tar = TarTime(future_cutoff, past_cutoff)