show version number with argument --version and in usage printout

linux-msm / qdl

BSD 3-Clause "New" or "Revised" License

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show version number with argument --version and in usage printout #25

Open dmillard-TD opened 3 years ago

dmillard-TD commented 3 years ago

I'd like to be able to do some rudimentary version control, and it's very handy to be able to query the version number. This PR simply adds this capability.