Also support dbfile as an argument to wudb ; I consistently use that instead of dbname.
Also support dbfile as an argument to wudb ; I consistently use that
instead of dbname.

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs