Cleanup minor nitpicks from old issues

Closes #4 (closed)
Closes #5 (closed)
Closes #48 (closed)

assigned to @alerque

restored source branch address-minor-nits

added 4 commits

• af511eb2...fcca0aed - 3 commits from branch pacman:master
• 236a1ee9 - chore: Make shell scripts a little more defensive, pass shellcheck

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approved this merge request

resolved all threads

added 1 commit

• 27c33ba7 - chore(cli): Update help usage with long-options actually accepted

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changed the description

added 1 commit

• f478c993 - chore(cli): Update help usage with long-options actually accepted

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changed the description

mentioned in issue #4 (closed)

added 1 commit

• 82cfbeb6 - feat: Allow namcap-devel to be run from any directory

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changed the description

marked this merge request as ready

requested review from @dvzrv

requested review from @ffy00

added 4 commits

• 24f07635 - 1 commit from branch pacman:master
• e40873a1 - chore: Make shell scripts a little more defensive, pass shellcheck
• 79e3bb41 - chore(cli): Update help usage with long-options actually accepted
• 42ea5a47 - feat: Allow namcap-devel to be run from any directory

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unassigned @alerque

@dvzrv Can I get a re-review on this? I'd like to merge to keep chipping away at the issue list and I think this gets a couple minor ones out of the way. Also the namcap-devel fix is actually quite useful for testing and I'd like to be able to use it while reviewing other changes.