[m-rev.] for review: add the predicate int.all_true_in_range/3

[Peter Wang]

On Fri, 23 Jan 2015 13:41:58 +1100 (AEDT), Julien Fischer <jfischer at opturion.com> wrote:
> 
> For review by anyone.
> 
> I am chiefly looking for feedback on the name of the new predicate.

I think the name is fine.  Is it all that useful?

Peter