Handle Faraday::Error::ConnectionFailed with middleware

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Faraday is a really nice, middleware-based HTTP client for Ruby. For simple libraries, I recommend HTTParty, but Faraday is a really awesome solution when you need full control over the complete stack. However, Faraday has one feature/flaw that I have found. If Faraday is unable to connect to a server, it throws a really nasty error. I whipped up a tiny middleware to handle this error: class…

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