data/md5sum.txt: updating hashes for files with version number changes

docs/content/counts-nano.md: minor update

Merge pull request #247 from smithlabcode/minor-fixes

Fixing some issues with option parsing on macos

Merge pull request #219 from smithlabcode/update-v1.4.3

Updates for v1.4.3

Merge pull request #173 from smithlabcode/v142-prep

v142 prep

Merge pull request #161 from smithlabcode/v141-prep

v141 prep

Merge pull request #153 from smithlabcode/fixing-literal-suffix-incom…

…pat-on-macos

Fixing problem because of macOS

Merge pull request #100 from smithlabcode/radmeth-test-fix

Changing the radmeth test because GSL is unstable and the md5sum chan…

Adding new checksums for testing. Most do not work on macos.

Update for moving to 1.2.4