* UDLdap.py: more useful exception if our array assumptions are violated.
* ud-guest-upgrade: do not add but replace privateSub.
* Editorial edits to the salsa paragraph prepared by Joseph Herlant.
* UDLdap.py: more useful exception if our array assumptions are violated.
* ud-guest-upgrade: do not add but replace privateSub.
* Editorial edits to the salsa paragraph prepared by Joseph Herlant.