pgsnap - pgsnap: Add "functions" report.

Log Message:
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Add "functions" report.

Modified Files:
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pgsnap/pgsnap:
pgsnap.php (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/pgsnap.php.diff?r1=1.11&r2=1.12)
pgsnap/pgsnap/lib:
navigate.php (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/navigate.php.diff?r1=1.7&r2=1.8)

Added Files:
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pgsnap/pgsnap/lib:
functions.php (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/functions.php?rev=1.1&content-type=text/x-cvsweb-markup)