#17740: fix links to the socket function.  Initial patch by Zachary Ware.
#17766: test_iterlen now works with unittest test discovery.  Patch by Zachary Ware.
#17771: fix typo.  Patch by Andriy Mysyk.
#14735: Update IDLE docs to omit "Control-z on Windows".
Fix issue #17707: multiprocessing.Queue's get() method does not block for short timeouts.
Issue #17555: Fix ForkAwareThreadLock so that size of after fork
registry does not grow exponentially with generation of process.
- Issue #17782: Fix undefined behaviour on platforms where ``struct timespec``'s "tv_nsec" member is not a C long.
Merge.