References to, includes from, and redirects to tcllib calendar module

Date	Name	Who	What
2025-06-24 09:23:19	calendar	TWu	reference
2013-01-18 22:43:49	Date Calculations	pooryorick	reference
2012-06-11 06:50:51	julian day library	RLE	reference
2019-02-22 22:30:49	Tcllib Contents	pooryorick	reference