Renamed to ad-si/Vectual. That is where the repository lives now. It has not been published as a package under the new name.
Versions published as adius/vectual still install under that name. 3 versions of 7 come from the new location (see their notes).
Compare dates.
Compare three dates.
This figures out the low and high bounds from date2 and date3 using minimum and maximum of them respectively.
Date comparison type for 2 dates.
Date comparison type for 3 dates.
Between does not care if date2 > date3 or date2 < date3.
Compare two dates.