pgestraier - pgestraier: added attribute to function, fixed warnings,

Log Message:
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added attribute to function, fixed warnings, fixed limit and offset

Modified Files:
--------------
pgestraier:
test.sql (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/test.sql.diff?r1=1.2&r2=1.3)
pgest.sql (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.sql.diff?r1=1.2&r2=1.3)
pgest.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.c.diff?r1=1.4&r2=1.5)