Update DLLs for Python 3.7 on Windows

[zooba]

Just wanted to bring your attention to python/cpython#5119 and bpo-32507, which will add many more DLLs in some cases that will need to be copied to virtual environments. You can see the files here (for 64-bit, but they are identical filenames for 32-bit). These will be installed alongside python37.dll on machines that do not already have a proper install of the C Runtime.

I had a quick look through the sources here and it appears that they won't automatically be copied. It also wasn't immediately obvious whether the OpenSSL DLLs will be copied (they are not statically linked any more). Those are in the DLLs directory and named libssl-1_1.dll and libcrypto-1_1.dll or libssl-1_1-x64.dll and libcrypto-1_1-x64.dll. There may already be bug reports as the early 3.7 releases include these.

[stale]

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