I admit this may be be a bit aggressive, but the lang
folder is getting cluttered/filled up with Python, PHP, Perl,
Ruby, etc. packages.

Makes sense to try to group them into per-lang folders.

I took the Pythons.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

From the README:

service_identity aspires to give you all the tools you need for
verifying whether a certificate is valid for the intended purposes.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>