* Fix - Prevent fatal error with trigger added to cart and shipping method used rule.
* Fix - Set the correct time when sending manual emails in batches larger than 50.
* Fix - Replace additional deprecated jQuery methods.
* Fix - Replace deprecated subscription function with get_payment_count.
* Fix - Do not redirect to a hash link after sending manual email.
* Fix - Prevent fatal errors when WooCommerce is not activated.
* Fix - Remove action scheduler check on sending emails too early.
* Fix - Do not set ID field as zero on DB insert. Allows emails to be sent with NO_AUTO_VALUE_ON_ZERO mode.
* Fix - Use woocommerce_thumbnail for images with the {item_prices_image} variable.
* Fix - Include inline CSS styles in email preview.
* Fix - Clean up unused template code.
* Tweak - Set default sort order of emails to be in order of creation.
* Tweak - Default to active status when cloning email.
* Tweak - Use the correct text domain.
* Tweak - Fix spelling on update notice.
