* Fixed add cart button issue on product page when only categories are selected in hide price.

* Fix-major refactoring to improve complex cart calculations of tax, fees, discounts, shipping and coupons.
* Fix-intermittent issue where generated chip & PIN order ID was not used when placing some new orders.
* Fix-error when updating the database.
* Fix-incorrect tendered/change amounts when non-default currency options used.

* Tweak-Added compatibility with WC 5.1.
* Fix-Fixed duplicate message when configuring the subscription widgets without connecting the store with AWeber first.

* Misc-Remove the legacy QBMS gateway

* PLUGINS-879-Add filter to change Admin Text if Fraud is blocked on Pre Payment Check.
* PLUGINS-851-Fix whitelisted payment methods not working.

* Fix: updated “woocommerce_email_subject_” filters to include object and email class
* Updated language (.pot) file