sorteddict PEP proposal [started off as orderedict]

[James Stroud]

Raymond Hettinger wrote:
> As one who was submitted many PEPs, I can advise that the quickest way
> to irrevocably kill an idea is to submit a PEP to early (we almost
> didn't get genexps because the PEP was submitted pre-maturely).

Maybe its the PEP killers who act prematurely because I friggin' love 
genexps and the little generators they generate. LC can be crude by 
comparison and is usually the construct that requires a compelling 
reason for usage.

James