MailWizz - Email Marketing Application 2.4.5

--- Version 1.8.9 - 2019-11-19
--- -------------------------------------------
[BUG] - During list import, empty columns would be allowed. It's fixed now

--- -------------------------------------------
--- Version 1.8.8 - 2019-11-19
--- -------------------------------------------
[ENH] - Delivery servers are now removed in background
[ENH] - PHP 5.6 got it's own vendor folder for version specific packages
[BUG] - Fix an issue in SendGrid where we couldn't create webhooks anymore
[ENH] - We can now select between the EU and US geo regions for SparkPost
[BUG] - Fixed a bug where the customer object was accessed in backend area causing errors at list deletion
[ENH] - Improved a few slow bounce regex rules
[ENH] - Improved the processing speed for bounce handler, fbl handler and email box monitors handler
[ADD] - Added specific cache component to save the data to database
[BUG] - Fixed a bug where the list counters would get out of sync
[BUG] - Email Box Monitor conditions would insert an empty new row each save

[ADD] - Added customer_price_plans_before_payment_handler_process_order action hook
[ADD] - Added customer_price_plans_after_payment_handler_process_order action hook
[BUG] - Fix a bug where RANDOM_CONTENT was not parsed when many tags one after another
[GHG] - Automatically adjustment for the number of campaigns at once is now enabled by default in new installs

[CHG] - Because of dependencies, mailgun delivery server type now requires php >= 7.0
[BUG] - Fix an issue in AppInitHelper::simpleCurlPost() which broke html encoding