README.md in g5_authenticatable_api-0.4.1 vs README.md in g5_authenticatable_api-1.0.0.pre.1

@@ -7,18 +7,19 @@
 to protect an API for a website, or they may be used to protect a stand-alone
 service using token-based authentication.
 
 ## Current Version
 
-0.4.0
+1.0.0.pre.1
 
 ## Requirements
 
-* [rails](http://rubyonrails.org/) >= 3.2
+* ruby >= 2.2 (support for ruby 2.4 is still experimental)
 
-**OR**
+At least one of:
 
+* [rails](http://rubyonrails.org/) >= 4.1
 * [grape](https://github.com/intridea/grape)
 
 ## Installation
 
 1. Add this line to your application's Gemfile:
@@ -84,11 +85,11 @@
 
 To require authentication for all API actions:
 
 ```ruby
 class MyResourceController < ApplicationController
-  before_filter :authenticate_api_user!
+  before_action :authenticate_api_user!
 
   respond_to :json
 
   # ...
 end
@@ -96,11 +97,11 @@
 
 To require authentication for some API actions:
 
 ```ruby
 class MyResourceController < ApplicationController
-  before_filter :authenticate_api_user!, only: [:create, :update]
+  before_action :authenticate_api_user!, only: [:create, :update]
 
   respond_to :json
 
   # ...
 end
@@ -110,11 +111,11 @@
 [`G5AuthenticationClient::TokenInfo`](https://github.com/G5/g5_authentication_client/blob/master/lib/g5_authentication_client/token_info.rb)
 using the `token_data` helper:
 
 ```ruby
 class MyResourceController < ApplicationController
-  before_filter :authenticate_api_user!
+  before_action :authenticate_api_user!
 
   respond_to :json
 
   def index
     token_expiration = token_data.expires_in_seconds
@@ -128,11 +129,11 @@
 [warden](https://github.com/hassox/warden) if possible. Otherwise it will return
 a [`G5AuthenticationClient::User`](https://github.com/G5/g5_authentication_client/blob/master/lib/g5_authentication_client/user.rb):
 
 ```ruby
 class MyResourceController < ApplicationController
-  before_filter :authenticate_api_user!
+  before_action :authenticate_api_user!
 
   respond_to :json
 
   def index
     user = current_api_user
@@ -145,11 +146,11 @@
 Finally, you can retrieve the value of the access token in use for this request
 by using the `access_token` helper:
 
 ```ruby
 class MyResourceController < ApplicationController
-  before_filter :authenticate_api_user!
+  before_action :authenticate_api_user!
 
   respond_to :json
 
   def index
     token = access_token
@@ -304,11 +305,11 @@
 Use devise to protect the controller action that serves your ember
 application:
 
 ```ruby
 class WelcomeController < ApplicationController
-  before_filter :authenticate_user!
+  before_action :authenticate_user!
 
   def index
   end
 end
 ```
@@ -331,10 +332,10 @@
 
 Protect your API actions in your controller:
 
 ```ruby
 class Api::MyResourcesController < ApplicationController
-  before_filter :authenticate_api_user!
+  before_action :authenticate_api_user!
 
   respond_to :json
 
   def show
     # ...