[bigint] Bug: stringToBigUnsigned(std::string s)

[Matt McCutchen]

On Tue, 2011-01-25 at 09:28 -0500, Justin Seely wrote: 
> So I think I found what was causing the problem. In one of my
> functions I was passing my BigUnsigned by value so I switched it to by
> reference and it works.

I'm trying to understand: did pass by value not behave as pass by value
should (a bug in the library), or did your code just expect the
reference semantics (so that it was your bug to pass by value)? 

-- 
Matt