pgestraier - pgestraier: add support for multiple attributes delimited

Log Message:
-----------
add support for multiple attributes delimited by {{!}}

Modified Files:
--------------
pgestraier:
test.sql (r1.13 -> r1.14)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/test.sql.diff?r1=1.13&r2=1.14)
pgest.c (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.c.diff?r1=1.17&r2=1.18)