Elementor Pro 3.21.1

* New! - Added Cards, a new skin for Posts widget
* New! - Added Exclude option to post query control group
* Tweak! - Added `post_class()` for each post in the loop
* Tweak! - Added `.elementor-posts-masonry` class when Masonry layout is enabled
* Tweak! - Added compatibility for the next release of Elementor v1.5.0
* Tweak! - CSS `autoprefixer` now supports last 5 versions of browsers
* Tweak! - Added `imageLoaded` library for Posts & Portfolio widgets

#### 2017-05-18 v1.4.4
Fix! - Force Mailchimp API to return all lists and not just 10 ([#1683](Elementor Pro Mailchimp not showing all lists · Issue #1683 · pojome/elementor · GitHub))
Fix! - Added `.elementor-form` class to Login form to fix style glitch

* Tweak! - Added Redirect After Login option to Login widget
* Tweak! - Stay in the current page after logout in Login widget
* Tweak! - Preparation for Elementor settings tabs in future version
* Fix! - Pinterest in Share Buttons widget now sharing the URL alone
* Fix! - Bug with `active` class in portfolio filter item
* Fix! - Higher specific list-style-type `none` for filter items to override some theme style