Log Message:-----------Fix for string representation of some negative intervals. Thanks to Mathieu Fenniak for bashing out the issues.
Modified Files:-------------- Npgsql2/src/NpgsqlTypes: DateDatatypes.cs (r1.3 -> r1.4) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/NpgsqlTypes/DateDatatypes.cs.diff?r1=1.3&r2=1.4)
