Duml: Uml diagram generation

[Rikki Cattermole via Digitalmars-d-announce]

On 17/05/2014 8:53 p.m., w0rp wrote:
> That's pretty cool. I think I would change outputPlantUML so it works in
> terms of something which outputs to an OutputRange or File. So you can
> dump the UML directly to the file.

I've added that as a TODO.