Fix: JulianDate(tai=...) should allow a tuple
Fix two phrases in the Time document
Defer UTC computation to a single unified routine
Implement "B.C." in the JPL-style date formatter
Retire old cal_date() function
Remove useless astype(int) calls in utc_strftime()
Use more consistent names in JulianDate methods
Make names in ._utc() symmetric with other methods