pgsql: Add FETCH/MOVE: < * Change LIMIT/OFFSET to use int8 > * Change

Log Message:
-----------
Add FETCH/MOVE:

< * Change LIMIT/OFFSET to use int8

* Change LIMIT/OFFSET and FETCH/MOVE to use int8

Modified Files:
--------------
pgsql/doc:
TODO (r1.1436 -> r1.1437)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1436&amp;r2=1.1437)