#13510: clarify that f.readlines() is note necessary to iterate over a file.  Patch by Dan Riti.
Issue #17703: Fix a regression where an illegal use of Py_DECREF() after interpreter finalization can cause a crash.
Issue #17710: Fix cPickle raising a SystemError on bogus input.
Issue #17739: fix the description of SSLSocket.getpeercert(binary_form=True) for server sockets.
Thanks to David D Lowe for reporting.
#17740: fix links to the socket function.  Initial patch by Zachary Ware.
#14735: Update IDLE docs to omit "Control-z on Windows".