Merge pull request #412 from Shopify/bump_version

release version 4.9.1

CHANGELOG

@@ -1,3 +1,7 @@
+== Version 4.9.1
+
+* Fix a bug with custom properties for orders
+
 == Version 4.9.0
 
 * Added `ShopifyAPI::PriceRule`

lib/shopify_api/version.rb

@@ -1,3 +1,3 @@
 module ShopifyAPI
-  VERSION = "4.9.0"
+  VERSION = "4.9.1"
 end