def post(url, params)
      params = convert_hash_keys(params)
      preform(url, :post, params: params) do
        return connection.post(url, params)
      end
    end
def post(url, params)
      params = convert_hash_keys(params)
      preform(url, :post, params: params) do
        return connection.post(url, params)
      end
    end
Does a POST request to the url with the params

 @param url [String] the relative path in the Seoshop API
 @param params [Hash] the body of the request