Closes #1476 : Change config parser to be aware of `--`

[erickponce]

This will change args for loop to be aware of -- (ignore-option), ignoring parsing of all parameters after that.

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[nathanhammond]

Heya @erickponce! Thanks for the PR! I agree that this is a bug we need to address; we'll take a look and get a test appended to PR to make sure we have all of the behaviors covered.

[nathanhammond]

I believe that we addressed this during our migration to cobra.