Log Message:
databases/ruby-pg: update to 1.0.0

v1.0.0 [2018-01-10] Michael Granger <ged@FaerieMUD.org>

Deprecated:

* Deprecate Ruby older than 2.2.
* Deprecate Connection#socket in favor of #socket_io.

Removed:

* Remove compatibility code for Ruby < 2.0 and PostgreSQL < 9.2.
* Remove partial compatibility with Rubinius.
* Remove top-level constants PGconn, PGresult, and PGError.

Enhancements:

* Update error codes to PostgreSQL-10
* Update Windows binary gems to Ruby-2.5, PostgreSQL 10.1 and OpenSSL 1.1.0g.

Bugfixes:

* Fix URI detection for connection strings. #265 (thanks to jjoos)
* MINGW: Workaround segfault due to GCC linker error in conjunction with
  MSVC. This happens when linking to PostgreSQL-10.0-x64 from EnterpriseDB.

Documentation fixes:

* Add PostgreSQL version since when the given function is supported. #263
* Better documentation to `encoder` and `decoder` arguments of COPY related
  methods.