- rebuild for pgpool 3.6.0
      Resolves: #1397019
      Improve the behavior of fail-over.
      New PGPOOL SET command has been introduced.
      Watchdog is significantly enhanced.
      Handling of extended query protocol (e.g. used by Java applications) in streaming replication mode speeds up if many rows are returned in a result set.
      Import parser of PostgreSQL 9.6.
      In some cases pg_terminate_backend() now does not trigger a fail-over.
      Change documentation format from raw HTML to SGML.