tardyp/dictns — pull request #3 by Stibbons (2014-10-30 11:18:41+00:00)
Title: fix for compatibility with getattr() buildin method

- fix for compatibility with getattr() buildin method. When an invalid key is requested, it now raises a AttributeError instead of a KeyError.
- allow initialization without arg: Namespace() is equivalent to Namespace({})