202008.0 - 2020-08-25
 - add options to specify input and output dirs
 - add usage message
 - add option to exclude or only-include groups
   globally or only from moduli file.
202008.0 - 2020-08-22
 - switch to date-based versioning, makes more sense for
   inherently dated things like parameter retrievel etc.
 - add standard DH groups 1,2,5,14-18,22-24
 - don't ship .pem directly, but generate from human-
   readable definitions file for easy verification
 - remove verification script, as it is very brittle
   and users can verify more easily by checking the
   definition files
 - change license to GPLv3
1.1.0 - 2020-08-18
 - ffdhe-verify: do not create files if missing
 - ffdhe-verify: search directory can be passed as parameter
 - ffdhe-verify: use exitcodes to signal pass or fail
1.0.0 - 2019-02-08
 - initial release
