asyncio: Fix _check_resolved_address() for IPv6 address
asyncio: ops, and now fix also the unit test for IPv6 address:
test_sock_connect_address()
Misc/NEWS: Add some missing news items re asyncio.
asyncio.docs: Improve documentation of Streams. Issue #20696.
asyncio: _check_resolved_address() must also accept IPv6 without flow_info and
scope_id: (host, port).
asyncio.docs: Improve wordings; add a note to the Coroutines section. Issue #20706
Issue #20221: Removed conflicting (or circular) hypot definition
when compiled with VS 2010 or above.  Initial patch by Tabrez Mohammed.
Issue #20221: Removed conflicting (or circular) hypot definition
when compiled with VS 2010 or above.  Initial patch by Tabrez Mohammed.
Windows buildbot: use --timeout feature in Tools/buildbot/test-amd64.bat

Use the same default timeout than test.bat: 1 hour (3600 seconds).
asyncio.docs: Document subprocess_exec and subprocess_shell. Issue #20694.
Upgrade pip from 1.5.2 to 1.5.3
inspect: Fix getfullargspec to support builtin module-level functions. Issue #20711