code: def user_friends(user_id, options={})
        response = connection.get do |req|
          req.url "users/#{user_id}/friends", options
        end
        return_error_or_body(response, response.body.response.friends)
      end
docs: Get all friends for a given user.
  
   @param [String] user_id - The user to retrieve friends for.
   @param [Hash]  options
   @option options Integer :limit
   @option options Integer :offest - For paging through results