added new API methods to User for easier use

lib/WebGUI/User.pm

@@ -1251,10 +1251,12 @@ sub update {
     
     # Make a safe copy of properties, we'll be deleting from it
     $properties = { %$properties };
-
     $self->uncache;
     $properties->{lastUpdated} ||= time;
 
+    # No userId, bad!
+    delete $properties->{userId};
+
     # $self->{_user} contains all fields in `users` table
     my @userFields  = ();
     my @userValues  = ();