python - typ: Various improvements.

Log Message:
-----------
Various improvements.

- Determine what type to use for unsigned_long on sys.maxint.
- Some method optimizations
   (for instance, directly refer to the super's __str__ for typoutput)
- Other portability issues (2.2)

timewise is still broken in 2.2.

Modified Files:
--------------
    typ/src:
        bitwise.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/bitwise.py.diff?r1=1.1.1.1&r2=1.2)
        kit.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/kit.py.diff?r1=1.1.1.1&r2=1.2)
        network.py (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/network.py.diff?r1=1.1.1.1&r2=1.2)
        numeric.py (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/numeric.py.diff?r1=1.2&r2=1.3)
        root.py (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/root.py.diff?r1=1.3&r2=1.4)
        system.py (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/typ/src/system.py.diff?r1=1.2&r2=1.3)