Add a -N parser to allow long options. Add 3 visual examples.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.89%. Comparing base (eb1ccc2) to head (420aac4).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1399 +/- ## ========================================== + Coverage 90.06% 90.89% +0.82% ========================================== Files 134 134 Lines 17234 17260 +26 ========================================== + Hits 15522 15688 +166 + Misses 1712 1572 -140 ```

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