python - lo: Add new directory __init__.py's Alter docstrings a bit, and

Log Message:
-----------
Add new directory __init__.py's
Alter docstrings a bit, and add a couple informative strings to
postgresql.__init__.py

Modified Files:
--------------
    lo/postgresql:
        __init__.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/__init__.py.diff?r1=1.1.1.1&r2=1.2)
    lo/postgresql/backend:
        __init__.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/backend/__init__.py.diff?r1=1.1.1.1&r2=1.2)
    lo/postgresql/backend/interface:
        __init__.py (r1.1.1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/backend/interface/__init__.py.diff?r1=1.1.1.1&r2=1.2)
    lo/postgresql/interface:
        __init__.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/interface/__init__.py.diff?r1=1.1.1.1&r2=1.2)
    lo/postgresql/meta:
        __init__.py (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/meta/__init__.py.diff?r1=1.1&r2=1.2)
    lo/postgresql/meta/interface:
        __init__.py (r1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/meta/interface/__init__.py.diff?r1=1.1&r2=1.2)

Added Files:
-----------
    lo/postgresql/exception:
        __init__.py (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/exception/__init__.py?rev=1.1&content-type=text/x-cvsweb-markup)
    lo/postgresql/utility:
        __init__.py (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/utility/__init__.py?rev=1.1&content-type=text/x-cvsweb-markup)
    lo/postgresql/utility/client:
        __init__.py (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/lo/postgresql/utility/client/__init__.py?rev=1.1&content-type=text/x-cvsweb-markup)