Log Message:
-----------
Minor bytea improvements.
Make the "+" operator use "||".
In bytea_new, return the source if it is of the subtype(subtype==ob_type).
Modified Files:
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be/src/type:
bitwise.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/src/type/bitwise.c.diff?r1=1.4&r2=1.5)