Converted some more 'instance' arguments to calls to 'spin'.
This is a small part of what Edward d'Auvergne noticed in a post at:
https://mail.gna.org/public/relax-devel/2008-04/msg00010.html (# Message-id:
<7f080ed10804030909m3b540ee3y1d60009542c09694@...>)
