enum string

[Namespace]

> I really wouldn't advise grabbing single files like that. The 
> release was
> recent enough that it may be okay, but in general, that's just 
> asking for
> trouble - especially with something as integral as std.traits. 
> But if you
> really want to, this is the relevant pull request:
>
> https://github.com/D-Programming-Language/phobos/pull/739
>
> std.conv, std.format, std.stdio, and std.traits were all 
> changed as part of
> the fix.
>
> - Jonathan M Davis

Fails on Win7 with:
Error: don't know how to make '..\druntime\lib\druntime.lib'

Quick question: I've asked that for some time: why is it 
std.stdio and not std.io?