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

Log Message:
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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:
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pllolcode:
DOC (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllolcode/pllolcode/DOC.diff?r1=1.8&amp;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&amp;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&amp;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&amp;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&amp;r2=1.11)