pgestraier - pgestraier: added depth to node API version of pgest, note

Log Message:
-----------
added depth to node API version of pgest, note that you have to use modified
perl wrapper with node API

Modified Files:
--------------
pgestraier:
test.sql (r1.15 -> r1.16)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/test.sql.diff?r1=1.15&r2=1.16)
README.pod (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/README.pod.diff?r1=1.3&r2=1.4)
pgest.sql (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.sql.diff?r1=1.8&r2=1.9)
pgest.c (r1.22 -> r1.23)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.c.diff?r1=1.22&r2=1.23)
pgestraier/t:
pgest.t (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/t/pgest.t.diff?r1=1.9&r2=1.10)