python - rc: Implement remote file interface.

Log Message:
-----------
Implement remote file interface.

Reimplement the remote console to use the abstraction.

Modified Files:
--------------
    rc:
        setup.py (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/setup.py.diff?r1=1.4&r2=1.5)
    rc/src:
        pg_python (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/pg_python.diff?r1=1.7&r2=1.8)

Added Files:
-----------
    rc/src:
        __init__.py (r1.1)

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

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/language.py?rev=1.1&content-type=text/x-cvsweb-markup)
        pqueue3.py (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/pqueue3.py?rev=1.1&content-type=text/x-cvsweb-markup)
        python.py (r1.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/python.py?rev=1.1&content-type=text/x-cvsweb-markup)
        renv.py (r1.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/renv.py?rev=1.1&content-type=text/x-cvsweb-markup)
        teop.py (r1.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/rc/src/teop.py?rev=1.1&content-type=text/x-cvsweb-markup)