pllua - pllua: Added regression tests, row stamp for functions, and

Log Message:
-----------
Added regression tests, row stamp for functions, and generic I/O
interface.

Modified Files:
--------------
    pllua:
        Makefile (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/Makefile.diff?r1=1.8&r2=1.9)
        pllua.h (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/pllua.h.diff?r1=1.11&r2=1.12)
        pllua.sql.in (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/pllua.sql.in.diff?r1=1.1&r2=1.2)
        plluaapi.c (r1.13 -> r1.14)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/plluaapi.c.diff?r1=1.13&r2=1.14)
        plluaspi.c (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/plluaspi.c.diff?r1=1.14&r2=1.15)

Added Files:
-----------
    pllua:
        rowstamp.h (r1.1)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/rowstamp.h?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
-------------
    pllua:
        pllua.sql
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pllua/pllua/pllua.sql)