asyncio: IncompleteReadError is a subclass of EOFError
inspect.getfile: Don't crash on classes without '__module__' attribute #20372

Some classes defined in C may not have the '__module__' attribute, so
we now handle this case to avoid having unexepected AttributeError.
doc/inspect: Clarify docs for __defaults__, add docs for __kwdefaults__ #20380
inspect.signature: Use '/' to separate positional-only parameters from
the rest in Signature.__str__. #20356
Issue #19456: ntpath.join() now joins relative paths correctly when a drive
is present.
Issue #19456: ntpath.join() now joins relative paths correctly when a drive
is present.
asyncio doc: subprocess_exec/subprocess_shell are not available on Windows
inspect.signature: Add support for 'functools.partialmethod' #20223
asyncio: remove temporary aliases
inspect.signature: Support classes without user-defined __init__/__new__ #20308
NEWS: Add few missing news items
asyncio doc: list Windows and Mac OS X limitations and explain how to work
around them
Fix doc reference to OS X 10.9 Mavericks.
Issue #20326: Argument Clinic now uses a simple, unique signature to
annotate text signatures in docstrings, resulting in fewer false
positives.  "self" parameters are also explicitly marked, allowing
inspect.Signature() to authoritatively detect (and skip) said parameters.

Issue #20326: Argument Clinic now generates separate checksums for the
input and output sections of the block, allowing external tools to verify
that the input has not changed (and thus the output is not out-of-date).
Issue #9709: Revert 97fb852c5c26. Many extensions are not using PyMODINIT_FUNC.
Issue #20411: Use readline.get_current_history_length to check for the presence of a history, rather than get_history_item, which assumes a history is present.
inspect.tests: Remove redundant unittest

The removed unittest duplicates the other one (test_signature_on_builtins_no_signature)
inspect.signature: Handle bound methods with '(*args)' signature correctly #20401
inspect: Fix docstrings for Parameter & Signature classes
inspect.Signature.bind: Fix pos-only params with defaults; fix *args in named args #19140

Initial patch by Yann Kaiser (epsy).