[COMMITTERS] python - pq: Add __repr__ to Message.

[James William Pye]

Log Message:
-----------
Add __repr__ to Message. Network representation.

Modified Files:
--------------
    pq/src:
        element3.py (r1.5 -> r1.6)
        
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/pq/src/element3.py.diff?r1=1.5&r2=1.6)

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