Excon

Here is a clean patch, now that I know you're actively maintaining.

I was minimally invasive, with the exception of adding an optional&mdash;so backwards-compatible&mdash;`opts` Hash argument to `AgentCooper::Request#get`. This will let you pass standard Excon options to the request [like this](https://github.com/hakanensari/agent_cooper/blob/excon/spec/support/shared/request.rb#L53).

I'll use this thread to discuss a few things I'd prefer to see changed. For other communication, I'll fall back on to email, now that I see you have yours up on your profile :wink: