===================
- Add aiohttp.web subpackage for highlevel HTTP server support.
- Add *reason* optional parameter to aiohttp.protocol.Response ctor.
- Fix aiohttp.client bug for sending file without content-type.
- Change error text for connection closed between server responses
from 'Can not read status line' to explicit 'Connection closed by
server'
- Drop closed connections from connector (`173 <https://github.com/aio-libs/aiohttp/pull/173>`_)
- Set server.transport to None on .closing() (`172 <https://github.com/aio-libs/aiohttp/pull/172>`_)