0.05 	9 November 2019
	Adoption.

0.04	1 April 2012
	Some code esthetics and optimization.  Verified it runs on 5.14.2
	threaded and unthreaded.

0.03	8 April 2008
	Minor code cleanup.  Corrected dates in CHANGELOG.

0.02	27 March 2008
	Added support for "no setenv" (aka "unimport")

0.01	27 March 2008
	First version of setenv.