plscheme - htdocs: Basic SPI functionality looks like get formed.

Log Message:
-----------
Basic SPI functionality looks like get formed. (Fix related entry in the
features listing.)

Modified Files:
--------------
htdocs:
index.html (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plscheme/htdocs/index.html.diff?r1=1.6&r2=1.7)