AllowUnverifiedNodes string keeps growing

When saving the AllowUnverifiedNodes in response to a SAVECONF control message, the old values are written out as well.

"AllowUnverifiedNodes middle,rendezvous"

becomes

"AllowUnverifiedNodes middle,rendezvous,middle,rendezvous"

and so on...

[Automatically added by flyspray2trac: Operating System: All]

Trac:
Username: Aphex