How to catch panics

[penguinpowernz]

I noticed that using this library, panics were masked (in particular and nil pointer error). Any idea how to ensure panics get through? Or at least hear about them... the ctx.Err() in the context given to the callback on a Register call is nil.

[zachdeibert]

Try replacing:

defer goodbye.Exit(ctx, -1)

with:

defer func() {
    if e := recover(); e != nil {
        panic(e)
    } else {
        goodbye.Exit(ctx, -1)
    }
}()