some __sizeof__() methods.

the FileCompareTestCase.test_matching test.

Patch by Steven Barker.

in the mailbox module.  This is partial rollback of changeset f340cb045bf9.

Original patch by Raymond Hettinger.

AIX.  Based on patch by Delhallt.

asyncio.async(coro), mention that asyncio.async() can be used to scheduler a
coroutine, and make it clear that create_task() is only available in Python
3.4.2 and later.

Patch written by Xavier de Gaye.

Patch from Stefan Krah.

  adds support for the Linux AArch64 and POWERPC ELF ABIv2 little endian
  architectures.

types.  Corrected error messages about bytes arguments.

Move BREAK tag configuration to PyShellEditorWindow.

Windows.  Path by Vajrasky Kok.

when unpickling pickled sqlite3.Row).  sqlite3.Row is now initialized in the
__new__() method.

#18034: update FAQ to suggest importlib.import_module instead of __import__.  Patch by Wouter van Heyst.

Also, improve variable names and fix column numbers
in the generated output.

a, b in arg lists, and hanging indents for long arg lists.