Log Message:
-----------
Minor refactoring.
Remove some use of DECREF/INCREF, and improve some error messages.
Modified Files:
--------------
be/src:
pl.c (r1.35 -> r1.36)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/src/pl.c.diff?r1=1.35&r2=1.36)