mysqlcompat - mysqlcompat: Add benchmark(), coercibility(), bit_count()

Log Message:
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Add benchmark(), coercibility(), bit_count() and remove bit_length()

Modified Files:
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    mysqlcompat:
        README (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/mysqlcompat/mysqlcompat/README.diff?r1=1.3&r2=1.4)
        datetime.sql (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/mysqlcompat/mysqlcompat/datetime.sql.diff?r1=1.5&r2=1.6)
        information.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/mysqlcompat/mysqlcompat/information.sql.diff?r1=1.1&r2=1.2)
        string.sql (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/mysqlcompat/mysqlcompat/string.sql.diff?r1=1.7&r2=1.8)

Added Files:
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    mysqlcompat:
        bit.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/mysqlcompat/mysqlcompat/bit.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        uninstall.sql (r1.1)

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