xwaynec/active_merchant_allpay — pull request #1 by lulalala (2014-04-14 07:16:43+00:00)
Title: Fix bug of encryption (check mac value) when some fields are not used.

Dynamically sort existing fields and connect them to string.
沒有使用原本規定的十欄或是十欄外的欄位會造成 check mac value 計算錯誤。