aiohttp 0.19.0

Major aiohttp 0.19.0 release

Highlighted features

async for support for websockets and client multiparts,
support redirects history for client requests,
Timeout context manager for limiting execution time of inner block.

Full list of changes

• Memory leak in ParserBuffer #579
• Suppport gunicorn's max_requests settings in gunicorn worker
• Fix wsgi environment building #573
• Improve access logging #572
• Drop unused host and port from low-level server #586
• Add Python 3.5 async for implementation to server websocket #543
• Add Python 3.5 async for implementation to client websocket
• Add Python 3.5 async with implementation to client websocket
• Add charset parameter to web.Response constructor #593
• Forbid passing both Content-Type header and content_type or charset
  params into web.Response constructor
• Forbid duplicating of web.Application and web.Request #602
• Add an option to pass Origin header in ws_connect #607
• Add json_response function #592
• Make concurrent connections respect limits #581
• Collect history of responses if redirects occur #614
• Enable passing pre-compressed data in requests #621
• Expose named routes via UrlDispatcher.named_routes() #622
• Allow disabling sendfile by environment variable AIOHTTP_NOSENDFILE #629
• Use ensure_future if available
• Always quote params for Content-Disposition #641
• Support async for in multipart reader #640
• Add Timeout context manager #611