Headers should be case insensitive

[fappelman]

I have run into an issue where the library did not follow up on a 301. This was when I accessed the website from wired: https://www.wired.com/story/the-science-of-this-pandemic-is-moving-at-dangerous-speeds

It turns out that this website returns the location header as:

location: https://www.wired.com/story/the-science-of-this-pandemic-is-moving-at-dangerous-speeds/

Note that the location is written as location and not as Location.

In the redirect handler this is managed as:

guard let location = headers.first(where: { $0.name == "Location" }) else {
     return nil
}

According to the RFC: https://ietf.org/rfc/rfc7230.html#section-3.2 the headers are case insensitive. Hence I believe this code should become:

guard let location = headers.first(where: { $0.name.lowercased() == "location" }) else {
     return nil
}

I did not check but I assume there this may be true in other areas as well. The above changed fixed it for me.

I used version 1.1.0 of the package.

[artemredkin]

@fabianfett should be fixed now, tagged 1.1.1

[fappelman]

Thanks. Appreciated.