bumps version, updates changelog

CHANGELOG

@@ -1,3 +1,11 @@
+== Version 3.1.1
+
+* Includes port in domain URI (when other than http/80 or https/443)
+* Adds access to CustomerSavedSearch
+* Adds resources: Order::DefaultAddress, Client::ClientDetails, Announcement
+* Allows access to Articles without a blog_id
+* Qualifies and scopes encode/decode changes in ActiveResource 3.0, 3.1, 3.2, 4.0
+
 == Version 3.1.0
 
 * Expose the `order` action in SmartCollection for general use

lib/shopify_api/version.rb

@@ -1,3 +1,3 @@
 module ShopifyAPI
-  VERSION = "3.1.0"
+  VERSION = "3.1.1"
 end