Removed optimist - no longer supported and has vulnerabilities#10

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jriffel wants to merge 2 commits intomrvisser:masterfrom

Commits on Feb 2, 2022

Removed use of optimist which is no longer supported and has vulnerabilities
jriffel
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Commits on Feb 3, 2022

Fixing issue where invalid command calls help with arg --stderr which was interpreted as a command
jriffel
committed