Updated to Postgres 1.0.3 with code from Pike 0.6.

Rev: src/modules/Postgres/configure.in:1.7
Rev: src/modules/Postgres/extras/test_notify.pike:1.2
Rev: src/modules/Postgres/extras/test_schema.pike:1.2
Rev: src/modules/Postgres/pg_types.h:1.3
Rev: src/modules/Postgres/pgres_config.h.in:1.3
Rev: src/modules/Postgres/pgresult.c:1.6
Rev: src/modules/Postgres/pgresult.h:1.2
Rev: src/modules/Postgres/postgres.c:1.8