pllolcode - pllolcode: Simple arithmetic now works (yay!).

Log Message:
-----------
Simple arithmetic now works (yay!). Arithmetic operations follow the syntax below:
    <operator> x [AN] y
where operators are as follows:
SUM OF        (sum)
DIFF OF        (difference)
PRODUKT OF    (product)
QUOSHUNT OF    (quotient)
MOD OF        (modulus)
BIGGR OF    (maximum)
SMALLR OF    (minimum)

Modified Files:
--------------
    pllolcode:
        DOC (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/DOC.diff?r1=1.8&r2=1.9)
        gram.y (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/gram.y.diff?r1=1.14&r2=1.15)
        linux_test.sh (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/linux_test.sh.diff?r1=1.7&r2=1.8)
        pllolcode.h (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/pllolcode.h.diff?r1=1.11&r2=1.12)
        scan.l (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/scan.l.diff?r1=1.10&r2=1.11)