pllolcode - pllolcode: Make WTF blocks (switch statements) work.

Log Message:
-----------
Make WTF blocks (switch statements) work. Example is as follows:

I HAS A LOLVAR ITZ 1
LOLVAR, WTF?
    OMG 2
        VISIBLE "LOLVAR HAS 2"
    OMG "MY YARN!!1"
        VISIBLE "LOLVAR HAS YARN!!1 OR (LOLVAR HAS 2 N NO GTFO"
        GTFO
    OMGWTF
        VISIBLE "LOLVAR HAS SUMMTHIN ELSE"
OIC

Modified Files:
--------------
    pllolcode:
        DOC (r1.23 -> r1.24)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/DOC.diff?r1=1.23&r2=1.24)
        gram.y (r1.27 -> r1.28)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/gram.y.diff?r1=1.27&r2=1.28)
        pllolcode.c (r1.18 -> r1.19)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/pllolcode.c.diff?r1=1.18&r2=1.19)
        scan.l (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/scan.l.diff?r1=1.22&r2=1.23)