* Fixed PHP notice in legacy checkout
* Fixed empty amount in transaction record for recurring payments
* Fixed incorrect label on translations page
* Fixed Stripe payment button not honoring the "active" status for the gateway to be active or inactive
* Fixed LearnDash purchase emails not sending
* Fixed checkout not working for amounts under 10 in any currency
* Added different stripe customer user meta key for test and live mode, this enables users to buy courses in both test and live mode
* Updated logged in users will always be enrolled to bought course regardless email used in Stripe checkout
* Fixed course purchase button can't be re-clicked more than once if there's error in the first try
