propka3 --version should print version

jensengroup / propka

PROPKA predicts the pKa values of ionizable groups in proteins and protein-ligand complexes based in the 3D structure.

http://propka.org

GNU Lesser General Public License v2.1

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propka3 --version should print version #89

Closed speleo3 closed 3 years ago

speleo3 commented 4 years ago

The -v VERSION_LABEL, --version VERSION_LABEL option seems to be unused. Maybe it can be removed and instead be re-purposed to report the version?