sk_api.rb in sk-api-1.0.3

- old
+ new

@@ -25,7 +25,8 @@
 require File.dirname(__FILE__) + '/activeresource_patches/base'
 require File.dirname(__FILE__) + '/resources/base'
 require File.dirname(__FILE__) + '/resources/product'
 require File.dirname(__FILE__) + '/resources/client'
 require File.dirname(__FILE__) + '/resources/address'
+require File.dirname(__FILE__) + '/resources/invoice'
 require File.dirname(__FILE__) + '/resources/credit_note'
 require File.dirname(__FILE__) + '/resources/line_item'
\ No newline at end of file