gruntjs/grunt — pull request #470 by domenic (2012-10-10 19:56:21+00:00)
Title: Fix error stack traces and inheritance

This drastically improved my ability to debug a "Task not found" error. It went from a completely useless and unreadable stack trace (consisting of line 47, then 390, then a bunch of requires), to one precisely tracing where the `TaskError` was actually thrown.