0.2022.0	2021-01-11
	+ exact dates for 2022
	* dates 2021

0.2021.0	2021-01-04
	+ exact dates for 2021

0.2020.0	2019-12-30
	+ exact dates for 2020

0.2019.1	2019-01-04
	our instead use vars

0.2019.0	2019-01-04
	+ exact dates for 2017	
	+ exact dates for 2019	

0.2018.0	2017-12-09
	initial