This also alters the fix to #11603. Specifically, setting __repr__ to
object.__str__ now raises a recursion RuntimeError when str() or repr() is
called instead of silently bypassing the recursion. I believe this behavior is
more correct.

Patch by Dionysios Kalofonos.

Original patch by Peter Otten.

if the first two lines have non-UTF-8 characters without an encoding declaration.

Issue #14308: Fix an exception when a "dummy" thread is in the threading module's active list after a fork().

chown() to root under certain circumstances.

Issue #14589: Update certificate chain for sha256.tbs-internet.com, fixing a test failure in test_ssl.

Issue #13889: On MSVC builds, set FPU control word at runtime for all string <-> float conversions.  Patch by Samuel Iseli and Stefan Krah.

_socket does.  Some were using the older wsock32.lib.

With VS8.0 at least Python compiles and works correctly.

Patch by Serhiy Storchaka.

This also moves the TypeError that results from trying to use a unicode
comment from the 'close' step to the point at which the comment is added to
the zipfile.