1.00 1999.06.15 - Initial release

 1.01 1999.06.18 - Performance tweaks. Addition of 'make test' support

 1.02 1999.06.21 - Fixed '-legal' (broken by performance tweaks in 1.01),
                   removed use of 'use attrs' for portability, extended
                   'make test' tests.

 1.03 2000.12.06 - Added exportable class functions 'simple_parms'
                   and 'parse_parms' and allowed 'stacking' references
                   for parms to the object to improve calling usage.