Convert std.random to a package

[Joseph Rushton Wakeling via Digitalmars-d]

On Wednesday, 24 June 2015 at 17:34:59 UTC, jmh530 wrote:
> I'm sympathetic to this approach. I wouldn't get too far ahead 
> of yourself though. The easier it is for people to switch to 
> your new approach the better (which seems interesting, I loved 
> your DConf talk).

Thank you! :-)

To all: sorry for the slow response here.  It's turned out to be 
one of those weeks/months.  I'll try and follow up some time soon 
with an outline of the ideas that sprang from DConf suggestions 
by Steve S., Dicebot and others.