Milesian calendar functions 2019-06
Usage: import library modules in "Standard" library of a sheet or of our version of Libre Office / Open Office.
V3.4: Milesian Year Base is date of day before 1 1m at 7:30 rather than at 12:00.
V3.3: Intercalation rule for Milesian calendar is same as for Gregorian calendar.
V3.2: Enhance PARSE and error handling. Values of dates outside the domain where the OpenOffice work are replaced with an error string. The instruction is inserted.
V3.1: Changed the return values on error, and fixed one case of parsing error
V3.0
Date management was enhanced in Libre Office, so did we in this Milesian package.