[PATCH python-hglib] Add feature to allow hglib user to get call backs for prompts and output

[Barry Scott]

On Thursday, 6 October 2016 15:03:32 BST timeless wrote:
> On Thu, Oct 6, 2016 at 12:52 PM, Barry A. Scott <barry at barrys-emacs.org> 
wrote:
> > Both pull() and push() have had three new, optiomal, aguments added them.
> 
> optional ; arguments

I'll fix the commit message once I have any more feedback.

Barry