Log Message:
-----------
Support casting time values to DateTime type
Modified Files:
--------------
Npgsql2/src/NpgsqlTypes:
DateDatatypes.cs (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/NpgsqlTypes/DateDatatypes.cs?r1=1.9&r2=1.10)