set Boolean to true if secret was provided

[jeremybradbury]

this should replace the need to throw an error (or even provide a value for the boolean)

[tkellen]

I am no longer maintaining this project. I've invited you as a collaborator to this repo. If you share your npm username, I'll also add you as an author there so you can publish new versions. Do as you please. If you're unfamiliar with semver, perhaps read up before you make a new version.