calendar_get_pom(), pom(), potm() and adj360() added, based on the OpenBSD version of pom(6)
calendar_get_pom(), pom(), potm() and adj360() added, based on the OpenBSD version of pom(6)

dunecn/calcurse,dunecn/calcurse,lfos/calcurse,lfos/calcurse,lfos/calcurse