Log Message:
-----------
Partial implementation of pg_users added for examination.
Added Files:
-----------
newsysview/sql:
users.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/users.sql?rev=1.1&content-type=text/x-cvsweb-markup)