bodenr/errors — pull request #7 by creynders (2014-08-14 11:21:17+00:00)
Title: Expose `isError`

I tend to funnel _all_ errors to a single piece of middleware, which converts the various types of error to a uniform format. Obviously this means I need to be able to somehow discern the type, having `isError` exposed is one step in the right direction.