Enum class with ToString functionality

[TheFlyingDutchman]

>
> I'd like to know if the Cheeseshop package 'enum' is useful to
> you. Any constructive feedback would be appreciated.
>
>     <URL:http://cheeseshop.python.org/pypi/enum/>

Looking at the documentation it looks excellent. But I don't
understand the 0.4.2 version number, particularly when you refer to it
as robust.