Refs #38, fixed renamed symbols in PY3
Merge pull request #385 from fantix/renamings

Refs #38, fixed renamed symbols in PY3
Ignore sys.exc_clear() for PY3.
Fix indexing exceptions (ex[0]) by using args (ex.args[0]), refs #38
Refs #38, fix pywsgi headers issue in PY3
Merge pull request #366 from fantix/ex_args

Fix indexing exceptions (ex[0]) by using args (ex.args[0]), refs #38
Merge pull request #358 from fantix/exc_clear

Ignore sys.exc_clear() for PY3.
Merge pull request #383 from fantix/pywsgi

Refs #38, fix pywsgi headers issue in PY3
Port gevent vfd to win64

Since long on win64 is 32-bit it cannot hold all possible
SOCKET handle values, making it theoretically possible to
get an exception "OverflowError: Python int too large to
convert to C long" if socket handles become too big. Now
on win64 it properly uses PY_LONG_LONG.
Merge pull request #393 from snaury/vfd-win64

Port gevent vfd to win64