snapshot - src: Correctly support some SQL types.

Log Message:
-----------
Correctly support some SQL types.

Modified Files:
--------------
src/pl:
createRemoteSnapshot.pl (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/src/pl/createRemoteSnapshot.pl.diff?r1=1.5&r2=1.6)
getUnifiedSqlType.pl (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/src/pl/getUnifiedSqlType.pl.diff?r1=1.2&r2=1.3)
map2PgType.pl (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/src/pl/map2PgType.pl.diff?r1=1.3&r2=1.4)