Log Message:
-----------
Added basic SPI_execute functionality and corrected the URL of the project web
site in the README file.
Modified Files:
--------------
plscheme:
plscheme.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plscheme/plscheme/plscheme.c.diff?r1=1.2&r2=1.3)
README.plscheme (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plscheme/plscheme/README.plscheme.diff?r1=1.2&r2=1.3)