Move misplaced Misc/NEWS entries to correct locations.
Eliminate deprecated the "Extension Modules" section.
Issue #21975: Fixed crash when using uninitialized sqlite3.Row (in particular
when unpickling pickled sqlite3.Row).  sqlite3.Row is now initialized in the
__new__() method.
Issue #21975: Fixed crash when using uninitialized sqlite3.Row (in particular
when unpickling pickled sqlite3.Row).  sqlite3.Row is now initialized in the
__new__() method.
Issue #5411: Added support for the "xztar" format in the shutil module.
Issue #5411: Fixed version number.