Rb3

-----------

(released Aug 8th 2019)

- Python 3.7 support.
- drop Python 2.7, pypy support.
- Released to PyPI named `rb3`

-----------

(released Jun 23rd 2017)

- Ensure a connection is released to the pool after receiving a response, even
if the result is an error.

-----------

(released Nov 23rd 2016)

- Support `options` keyword arguments passed to `execute_command`.

-----------

(released Nov 23rd 2016)

- Detect dead connections on pool checkout.

-----------

(released on Feb 8th 2015)

- Fixed cluster for host defaults support.
- Changed poller to handle close explicitly. This should prevent
bad loops in when the socket closes while writing.
- Added support for execute_commands.

-------------

(released on Oct 13th 2015)

- Fixed an illogical constructor for the local client.
- Fixed a problem with clearing out pending batches.
- Hosts are now validated to not have holes in the two shipped routers
which both depend on a gapless setup.
- Connection errors now try to print out the original IO error's infos.