code: def user_set_friend_pings(user_id, value)
        response = connection.post do |req|
          req.url "users/#{user_id}/setpings", value
        end
        return_error_or_body(response, response.body.response)
      end
docs: Set pings for a friend
  
   @param [String] user_id - The user to set pings for
   @param [String] value - The value of ping setting for this friend, either true or false.