Properly clear internal Python loader globals
Properly clear internal Python loader globals

This prevents leaking the various PyObjects,
at least on our end.

GNOME/libpeas,chergert/libpeas,gregier/libpeas,GNOME/libpeas,gregier/libpeas,chergert/libpeas,chergert/libpeas,Distrotech/libpeas,gregier/libpeas,Distrotech/libpeas,gregier/libpeas,Distrotech/libpeas