README.md in nexaas_id-client-0.6.0 vs README.md in nexaas_id-client-0.7.0

@@ -51,10 +51,23 @@
   c.application_token = 'your-application-token'
   c.application_secret = 'your-application-secret'
 end
 ```
 
+Or, if you want to instantiate multiple application connections:
+
+```ruby
+require 'nexaas_id'
+
+config = NexaasID.Configuration.build do |c|
+  c.url = 'https://sandbox.id.nexaas.com'
+  c.user_agent = 'My App v1.0'
+  c.application_token = 'your-application-token'
+  c.application_secret = 'your-application-secret'
+end
+```
+
 ## Usage
 
 The API can be used to access resources owned by an `Identity`, which requires previous authorization from the
 corresponding user (see the [omni_auth_nexaas_id gem](https://rubygems.org/gems/omni_auth_nexaas_id)),
 or resources owned by an `Application`, which only requires the application's credentials.
@@ -65,10 +78,16 @@
 
 ```ruby
 client = NexaasID::Client::Identity.new(user_credentials)
 ```
 
+Or passing an explicit configuration:
+
+```ruby
+client = NexaasID::Client::Identity.new(user_credentials, config)
+```
+
 Here, `user_crendentials` is an object that must have the following attributes available for reading/writing:
 * access_token
 * refresh_token
 * expires_in
 * expires_at
@@ -119,11 +138,18 @@
 
 ### Resources not owned by an Identity
 
 #### Create an instance of NexaasID::Client::Application, as below:
 
+
 ```ruby
 client = NexaasID::Client::Application.new
+```
+
+Or passing a explicit configuration:
+
+```ruby
+client = NexaasID::Client::Application.new(config)
 ```
 
 #### Now you have access to the following endpoints:
 
 * [SignUp API](https://docs.id.nexaas.com/api/invitation) as `client.signup`