add paypal express recurring
start v.1.1.0-alpha
Merge early paypal express recurring.
define recurring default option labels. fix Authorize.net recurring
update changelog
Fix "unknown SSL protocol error in connection to centineltest.cardinalcommerce.com:443"
Must use self::$default_currency in Payflow - remove redundant override in child PayflowUk class
fix exception in amount method
Merge branch 'develop'