Python-socketio-v4

- redis message queue for asyncio ([commit](https://github.com/miguelgrinberg/python-socketio/commit/ce44133acd66d53d607937d04261668fbc2aa328))
- updated documentation logo ([commit](https://github.com/miguelgrinberg/python-socketio/commit/2e55d7f0208fe0679fd87081c9598640a14c2fdb))
- asyncio documentation and various fixes ([commit](https://github.com/miguelgrinberg/python-socketio/commit/43788db7a77421ec9f84f1eb02b60f9bc09d29d3))
- readme file updates ([commit](https://github.com/miguelgrinberg/python-socketio/commit/83379732f9a597d248c9f191304fcfbf1622b7b6))
- updated public symbols ([commit](https://github.com/miguelgrinberg/python-socketio/commit/3556c3e7ce547e0d49255e883db3128fdf9974b6))
- updated package requirements ([commit](https://github.com/miguelgrinberg/python-socketio/commit/561065141a8121f544a718530ed87bced46ed529))
- readme files and requirements for all examples ([commit](https://github.com/miguelgrinberg/python-socketio/commit/5c882acd884271a9fa05ab3397e872ddaa1235a5))
- async namespaces, and more unit tests ([commit](https://github.com/miguelgrinberg/python-socketio/commit/6f41206f7dfda01a8ad3d75110eb1022b6b768f3))
- a few asyncio related fixes ([commit](https://github.com/miguelgrinberg/python-socketio/commit/763583226a91505051889ac3b23bf1183aa6c421))
- asyncio support ([commit](https://github.com/miguelgrinberg/python-socketio/commit/53d10d9f3204a86b8c48ffca347857044215d009))
- fixed documentation typo [19](https://github.com/miguelgrinberg/python-socketio/issues/19) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/6c93f7fb15e5848de48daefe5998139734333dd9))
- minor fixes to zeromq support ([commit](https://github.com/miguelgrinberg/python-socketio/commit/f0f6b18f42c7b9a2d4f9806b854849ae2202d547))
- use non-blocking eventlet zmq wrapper in listen method ([commit](https://github.com/miguelgrinberg/python-socketio/commit/10d273b3feee216ea711689004454e87c3b237bc)) (thanks **Eric Seidler**!)

- allow event names with hyphens [51](https://github.com/miguelgrinberg/python-socketio/issues/51) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/940d262a1ed9b45969895b93b7184f93bdab71b9))
- Merge branch 'Kurlov-fix-namespace-hyphens' ([commit](https://github.com/miguelgrinberg/python-socketio/commit/923ded03b2fba18ee84491d11b5059eefa81cc99))
- Fixed hyphens namcespace bug ([commit](https://github.com/miguelgrinberg/python-socketio/commit/4f35e67e42fad8b75d9f755a00141d5ef86eb76d)) (thanks **Aleksandr Kurlov**!)
- removed py33 from tests, added py36 ([commit](https://github.com/miguelgrinberg/python-socketio/commit/3c868255a481ef17deb53f022e668a60957a2f17))
- handle failed pickled.loads ([commit](https://github.com/miguelgrinberg/python-socketio/commit/42ad98e750afd91847f65a7221de665da6585495)) (thanks **Eric Seidler**!)
- check message type before yielding message data ([commit](https://github.com/miguelgrinberg/python-socketio/commit/09d8d5d0d40d71e246d5c1a1ba8d2375b591f833)) (thanks **Eric Seidler**!)
- add zmq prefix to default value for url ([commit](https://github.com/miguelgrinberg/python-socketio/commit/fab0683bebbc550d9e9fef418baa07fc510f71d0)) (thanks **Eric Seidler**!)
- add zmq manager ([commit](https://github.com/miguelgrinberg/python-socketio/commit/88f3b87efa9f91d1e6eb23a110962d8d664ff1c3)) (thanks **Eric Seidler**!)
- add ZmqManager to dunder init ([commit](https://github.com/miguelgrinberg/python-socketio/commit/d6f703f1bd36b1a68e0e555212ef128fef3aacad)) (thanks **Eric Seidler**!)

- prevent binary attachments from getting mixed up Flask-SocketIO issue [385](https://github.com/miguelgrinberg/python-socketio/issues/385) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/2c98906aafc53ae84e6fe7492ca6f1f48115ce58))
- Merge branch 'AndrewPashkin-clarify-level-of-separation-of-namespaces' ([commit](https://github.com/miguelgrinberg/python-socketio/commit/652ced75c010877e5b2566f61e9ce2098869dc0d))
- Add mentioning of SIDs to the list of what each namespace has separate from other namespaces. ([commit](https://github.com/miguelgrinberg/python-socketio/commit/8a7ea67f99f23d5b83274bda62d6345108d022be)) (thanks **Andrew Pashkin**!)

- Added "ignore_queue" option to bypass message queue in emits ([commit](https://github.com/miguelgrinberg/python-socketio/commit/3eac53261b9d602da8d27c1f9b31f92f86a3b395))
- Use a statically allocated logger by default ([commit](https://github.com/miguelgrinberg/python-socketio/commit/749f8663c48cf100440ba51724542577e46c1b58))
- Warn when message queues are used without monkey patching ([commit](https://github.com/miguelgrinberg/python-socketio/commit/6ba131af5cf6238fe4a4a702b38dfec2bb1292f9))
- Added clarification regarding class based namespace being singletons [59](https://github.com/miguelgrinberg/python-socketio/issues/59) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/d09627faff80e78b92a27ec8f8c46a846002e873))
- Fix typo Sokcet -> Socket [56](https://github.com/miguelgrinberg/python-socketio/issues/56) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/415a0eb9c7d4105d75f569e455b8f293dc6540c4)) (thanks **Lenno Nagel**!)

- some improvements and optimizations to KombuManager class ([commit](https://github.com/miguelgrinberg/python-socketio/commit/052fd937453dc098761dba10c7240c39bdb5d750))
- add a TTL option to Kombu queues when RabbitMQ is used ([commit](https://github.com/miguelgrinberg/python-socketio/commit/cc9027586f045b6aa96e832bb287971762fb339d))
- put clients in a pre-disconnect state while their disconnect handler runs This avoids potential endless recursion. [312](https://github.com/miguelgrinberg/Flask-SocketIO/issues/312) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/da2d141e8d68fd698ddb2dd5d54c4b1a7622d4df))
- do not disconnect an already disconnected client [312](https://github.com/miguelgrinberg/Flask-SocketIO/issues/312) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/a58c184b0ffe76d8b00912b0084b12c26bd85631))

- add __version__ to package ([commit](https://github.com/miguelgrinberg/python-socketio/commit/b436d60a9ffe787a25e284046d32f5d9f8c18f58))
- document the use of the new gevent_uwsgi async mode ([commit](https://github.com/miguelgrinberg/python-socketio/commit/5529fbb2bd13654ed34094629bf77250ccf60167))