libpqtypes - libpqtypes: Added NULL composite array item test and

Log Message:
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Added NULL composite array item test and updated ChangeLog

Modified Files:
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libpqtypes:
ChangeLog (r1.27 -> r1.28)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/ChangeLog.diff?r1=1.27&r2=1.28)
libpqtypes/src:
array.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/array.c.diff?r1=1.9&r2=1.10)
regression-test.c (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/regression-test.c.diff?r1=1.14&r2=1.15)