Jianen

I install kingfisher by Carthage using `carthage update Kingfisher --platform watchOS` The framework only contain `arm64 / i386 / x86_64`, not including `arm64_32` arch, which is the new arch used...

Now, scrapy-rotated-proxy only support username with None Value and password with None Value if proxy server is no-auth. TODO: Support mongodb document with no username field and no password field...