Log Message:
-----------
Added support to parse "-infinity" and "infinity" date values.
Modified Files:
--------------
Npgsql2/src/NpgsqlTypes:
DateDatatypes.cs (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/NpgsqlTypes/DateDatatypes.cs?r1=1.10&r2=1.11)