libpqtypes - libpqtypes: Modified the PQspecPrepare interface to work

Log Message:
-----------
Modified the PQspecPrepare interface to work off prepared names.  Names are referenced in putf and getf spec format
stringsusing $name.  $name must be used alone. 

Modified Files:
--------------
    libpqtypes/docs/man3:
        PQspecPrepare.3 (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/docs/man3/PQspecPrepare.3?r1=1.1&r2=1.2)
    libpqtypes/src:
        exec.c (r1.15 -> r1.16)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/exec.c?r1=1.15&r2=1.16)
        libpqtypes-int.h (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/libpqtypes-int.h?r1=1.14&r2=1.15)
        libpqtypes.h (r1.20 -> r1.21)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/libpqtypes.h?r1=1.20&r2=1.21)
        param.c (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/param.c?r1=1.17&r2=1.18)
        regression-test.c (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/regression-test.c?r1=1.17&r2=1.18)
        spec.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/spec.c?r1=1.1&r2=1.2)