The project is pre semver 1.0.0, it should not be considering suitable for production.
You'll have to be way more specific about what you mean by "handle errors". Do you mean node to node connection errors? Node to node messaging errors? Errors localized in a custom Hook?
I suggest just reading through the codebase, it's not that big. The entire philosophy is crash only processes which are supervised by Forever. In the current early version of hook.io we usually get let things crash and restart. This isn't idea for guaranteeing delivery of messages, but it's a good start.
This same individual alnayyir ( Chris Allen ) feels the constant need to insult my company and team every-time he catches a glimpse of us online.
At least he's not making up rumors this time like me "threatening him with a handgun". ( see: http://news.ycombinator.com/item?id=2565609 )