Sample config text states that the default for confirm_within is nil, when it actually is 0.days. I set it to nil, and it crashes trying use ago on it.
It probably should go ahead and say that the default is 0.days instead of nil.
Please feel free to update it as you think it's needed, and send us a pull request, thanks.
For #646 - modify the configuration text that is output for confirm_w…
…ithin so that it matches the actual default value. If you use nil as a value, it crashes trying to call nil.ago