Enable using polr shortener instead tinyurl#8

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mzagar wants to merge 2 commits intodanielyaa5:mainfrom mzagar:add-polr-shortener-support

Commits on Nov 5, 2022

Enable using polr shortener instead tinyurl
Mario Zagar
committed

Commits on Nov 28, 2022

Disallowed specifying --polr-url together with --turn-off-link-shortening; minor code improvements.
Mario Zagar
committed