v2.2.2

Merge pull request #81 from Shopify/update_sofort

update reason1 field per sofort request

v2.2.1

Merge pull request #120 from Shopify/fix_yuupay

Adding class methods to yuupay integration

v.2.2.0

Merge pull request #116 from Shopify/add_yuupay

Adding Yuupay gateway as universal