Wrapper to lookup local geni user.

protogeni/lib/GeniUser.pm.in

@@ -727,8 +727,20 @@ use GeniDB;
 use GeniUser;
 use GeniHRN;
 use GeniCertificate;
+use User;
 use overload ('""' => 'Stringify');
 
+sub Lookup($$)
+{
+    my ($class, $uid) = @_;
+
+    my $user = User->Lookup($uid);
+    return undef
+	if (!defined($user));
+    
+    return GeniUser::LocalUser->Create($user);
+}
+
 #
 # Create a wrapper, with the same access names.
 #