Make chunked encoding handling of untrusted client data more robust and safer in gevent.pywsgi.

Make chunked encoding handling of untrusted client data more robust and safer in gevent.pywsgi. Fixes #229.

Disable a selectors test because libev limits the number of events it returns any given trip around the loop.

By not yielding to libev, if many events were becoming available in quick succession, a greenlet that was polling and not otherwise yielding could starve all the other greenlets.

Also, fix importing under platforms that don't implement poll.

A cooperative version of waitpid that plays nicely with child watchers and gevent.subprocess

Don't ref the implicit child watchers unless explicitly asked for; they shouldn't keep the loop alive since the user didn't ask for them

A cooperative version of waitpid that plays nicely with child watchers and gevent.subprocess. Fixes #600. Ref #452.

Fix 607

This reverts commit 22141fc2.

setup.py deals gracefully with spaces in the working directory. Fixes #319. Also better handle newer compilers on OS X, which enforce the distinction between CFLAGS and CPPFLAGS.

Add more modules to the API reference; some of them need some documentation love. Fixes #379. [skip ci]