pgestraier - pgestraier: added node API

Log Message:
-----------
added node API

Modified Files:
--------------
pgestraier:
test.sql (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/test.sql.diff?r1=1.14&r2=1.15)
pgest.sql (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.sql.diff?r1=1.7&r2=1.8)
pgest.c (r1.18 -> r1.19)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.c.diff?r1=1.18&r2=1.19)
pgestraier/data:
indexer.pl (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/data/indexer.pl.diff?r1=1.3&r2=1.4)