#402: Update to Click v8.0.0 and fix deprecation warning

Moulrequested to merge
402_click_v8.0 into dev
  • Upgrade to Click v8.0.0
  • history: Get terminal columns with shutil instead of click
    • Since this command is going to be removed from Click v8.1.0

Close #402 (closed).

Edited by Moul

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