gevent is a coroutine-based Python networking library that uses greenlet to
provide a high-level synchronous API on top of libevent event loop.
Features include:
* convenient API around greenlets
* familiar synchronization primitives (gevent.event, gevent.queue)
* socket module that cooperates
* WSGI server on top of libevent-http
* DNS requests done through libevent-dns
* monkey patching utility to get pure Python modules to cooperate
Python 3 version.
