Log Message:
-----------
fixed inserts of null values for ints/floats, particular
helpful with serial types that need to not be mentioned in
the table insert statement in order to fire and increment
automatically (otherwise, the value you supply for that
column is taken and the sequence is not updated)
Modified Files:
--------------
pgaccess/lib:
tables.tcl (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgaccess/pgaccess/lib/tables.tcl.diff?r1=1.3&r2=1.4)