zaif.rb in kaesen-0.2.0

- old
+ new

@@ -294,11 +294,12 @@
     # Cancel all open orders
     # @abstract
     # @return [array]
     #   success: [bool] status
     def cancel_all
-      opens.each{|h|
-        print cancel(h["id"])
+      have_key?
+      opens.collect{|h|
+        cancel(h["id"])
       }
     end
 
     private
 