Fix the global_ns update of the latest ipython
Fix the global_ns update of the latest ipython

This kwarg was removed from IPython by the commit
a1e4911b6e7f973e3d5cf353e60473ab85be9b57 in the ipython git repository, so we
fix Qsnake to work with it.

qsnake/qsnake,qsnake/qsnake