Cleanup README (#783)

* Cleanup README

close #780

* Make request_id a string instead of tuple (#763)

The request_id in Stripe.Error was being set to a tuple that
represented the "Request-Id" header. Now it will instead be a String
like described in the typespec.

---------

Co-authored-by: Matt McCoy <mattnenterprise@yahoo.com>

README.md

@@ -6,7 +6,7 @@ An Elixir library for working with [Stripe](https://stripe.com/).
 
 ## 2.x.x status
 
-[![Hex Docs](https://img.shields.io/badge/hex-docs-9768d1.svg)](https://hexdocs.pm/stripity_stripe) [![Inline docs](http://inch-ci.org/github/beam-community/stripe-elixir.svg?branch=master)](http://inch-ci.org/github/beam-community/stripe-elixir?branch=master) [![Coverage Status](https://coveralls.io/repos/github/beam-community/stripe-elixir/badge.svg?branch=master)](https://coveralls.io/github/beam-community/stripe-elixir?branch=master)
+[![Hex Docs](https://img.shields.io/badge/hex-docs-9768d1.svg)](https://hexdocs.pm/stripity_stripe) [![Inline docs](http://inch-ci.org/github/beam-community/stripity_stripe.svg?branch=master)](http://inch-ci.org/github/beam-community/stripity_stripe?branch=master) [![Coverage Status](https://coveralls.io/repos/github/beam-community/stripity_stripe/badge.svg?branch=master)](https://coveralls.io/github/beam-community/stripity_stripe?branch=master)
 
 # Which version should I use?
 
@@ -38,7 +38,7 @@ Install the dependency by version:
 Or by commit reference:
 
 ```elixir
-{:stripity_stripe, git: "https://github.com/code-corps/stripity_stripe", ref: "8c091d4278d29a917bacef7bb2f0606317fcc025"}
+{:stripity_stripe, git: "https://github.com/beam-community/stripity_stripe", ref: "017d7ecdb5aeadccc03986c02396791079178ba2"}
 ```
 
 Next, add to your applications:
@@ -409,7 +409,3 @@ Why another Stripe Library? Currently there are a number of them in the Elixir w
 - function calls that returned a standard `{:ok, result}` or `{:error, message}` response
 
 As I began digging things up with these other libraries it became rather apparent that I was not only tweaking the API, but also ripping out a lot of the existing code... and that usually means I should probably do my own thing. So I did.
-
-## Update
-
-As of October 18th, Rob has graciously handed over the reins to the teams at [Code Corps](https://www.codecorps.org/) and [Strumber](https://strumber.com/). To address the concerns Rob mentioned above and update the high level api to work with all of the Stripe API Endpoints, they have since worked to release stripity_stripe 2.0, which is now the actively developed line of releases.

lib/stripe/api.ex

@@ -453,7 +453,11 @@ defmodule Stripe.API do
   end
 
   defp handle_response({:ok, status, headers, body}) when status >= 300 and status <= 599 do
-    request_id = headers |> List.keyfind("Request-Id", 0)
+    request_id =
+      Enum.find_value(headers, fn
+        {"Request-Id", request_id} -> request_id
+        _header -> nil
+      end)
 
     error =
       case json_library().decode(body) do

test/stripe/api_test.exs

@@ -7,6 +7,10 @@ defmodule Stripe.APITest do
       Stripe.API.request(%{}, :get, "/", %{}, [])
   end
 
+  test "request_id is a string" do
+    {:error, %Stripe.Error{request_id: "req_123"}} = Stripe.API.request(%{}, :get, "/", %{}, [])
+  end
+
   test "oauth_request works" do
     verify_on_exit!()