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.

Patch by Tshepang Lekhonkhobe.

Original patch by Tshepang Lekhonkhobe.

Not that I haven't tested it to make sure it works, just that it
can run against an empty source file.

Initial patch by Popa.Claudiu.

3.2 - Issue 10484 - Incorporate improvements to CGI module - Suggested by Glenn Linderman. Refactor code and tests