Crash with Python bindings

[Konrad Hinsen]

Hi Justus,

> So I guess what happens is that Python3 changed how the interpreter
> environment is torn down and they actually destroy the 'q' object.  If
> that is so, then your data is indeed safe.

That reminds me of a recent change in object finalization in Python 3:

  https://www.python.org/dev/peps/pep-0442/

I'll look into that, thanks for the gdb exploration!

Cheers,
  Konrad.