[Python-3000] adding gamma and error functions to math module

[Terry Reedy]

Mark Dickinson wrote:

> In any case, if you're interested in getting these in to 2.7/3.1 (it's too
> late for 2.6/3.0) then I'd suggest opening a feature request at
> bugs.python.org.  (And assign it to me, if you like.)

I'm interested also.  Done and done.
http://bugs.python.org/issue3366