maxAttempts at retro.NewStaticRetryableError doesn't behave as maxAttempts

[Andres Rios]

The current implementation counts the number of attempts beginning from 0 instead of begin from 1.

[Mark Phelps]

Thanks for the issue, however we are no longer maintaining this library so we will be archiving it. Please feel free to fork it if you would still like to make this change.