* Fixed: payment issue with Stripe/Braintree
* Fixed: tax billing information is configurable, no longer compulsory
* Fixed: license verification does not work in certain cases
* Fixed: speed up campaigns listing
* Fixed: speed up subscribers counting
* Fixed: automation trigger for date in the past
* Fixed: reduce the number of SQL queries
* Fixed: retain custom translation when upgrading
* Added: allow resending a campaign
* Added: support SendGrid subuser
* Added: support sending a campaign again
* Added: support verify-email.org service
* Added: support importing subscribers via CLI