GeezerVison

…dule

PyObject_CallMethodNoArgs() and PyObject_CallMethodOneArg() look up the
method and call it in one step, without creating a bound method object.

The pickling support and __sizeof__() of BytesIO no longer need separate
"lock held" functions.

The getters of _WindowsConsoleIO are left as they are, because Argument
Clinic fails for an accessor in a preprocessor conditional block.

# Conflicts:
#	Modules/_io/clinic/textio.c.h

They are defined in a preprocessor conditional block, which is now
supported.

# Conflicts:
#	Modules/_io/clinic/bufferedio.c.h
#	Modules/_io/clinic/textio.c.h

The getters which return a boolean or an integer now use the bool, long
and Py_ssize_t return converters, and the TextIOWrapper._CHUNK_SIZE
setter declares its value as Py_ssize_t.

An out of range _CHUNK_SIZE now raises OverflowError instead of
ValueError.