prefix - prefix: Fix pr_cmp() and have pr_lt() and pr_gt() use it rather

Log Message:
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Fix pr_cmp() and have pr_lt() and pr_gt() use it rather than the other way round

Modified Files:
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    prefix:
        README.txt (r1.13 -> r1.14)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/README.txt?r1=1.13&r2=1.14)
        prefix.c (r1.50 -> r1.51)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c?r1=1.50&r2=1.51)

Added Files:
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    prefix:
        queries.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/queries.sql?rev=1.1&content-type=text/x-cvsweb-markup)