switched JulianDay implementation to KPCAADate
switched JulianDay implementation to KPCAADate

alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,onekiloparsec/SwiftAA,alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,alex-vasenin/SwiftAA,alex-vasenin/SwiftAA,alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,onekiloparsec/SwiftAA