class type key =object
..end
key
is a user/password combination for a certain realmmethod user : string
method password : string
method realm : string
method domain : string list
Normally, this is just a list with one element. The URI must include
the protocol scheme, the host name, and "/" as path. The port number
is optional. Example: "http://localhost/". If the key is applicable
to all domains, set this to "*"
.