Accurate summary of CORS headers

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Why even commit at all, if you're not sure if it works

@Kimmax pulling the code down to a remote server

@Condor WIP. I do git rebase 👍🏻

@Kimmax because CORS is random. It works locally but when you put it on a prod server it starts giving random errors.

For example (and I'm NOT joking):
"No Access-Control-Allow-Origin header is present on the requested resource"
U look in the headers, guess what there it is. With a *.

Or this:
"domainblala.com not allowed by access-control-allow-origin: *"

That fucking security on dev env cancer