Release new version 2.7.3

= 2.7.3 - 2019/06/29 =
* This is a maintenance upgrade to fix a potentially fatal error conflict with sites running PHP 7.3 plus compatibility with WordPress v 5.2.2
* Fix - PHP warning continue targeting switch is equivalent to break for compatibility on PHP 7.3

a3-portfolio.php

@@ -2,11 +2,11 @@
 /*
 Plugin Name: a3 Portfolio
 Description: Creates a beautiful fully mobile responsive, fully customizable, Google images style portfolio to showcase your work.
-Version: 2.7.2
+Version: 2.7.3
 Author: a3rev Software
 Author URI: https://a3rev.com/
 Requires at least: 4.6
-Tested up to: 5.2.1
+Tested up to: 5.2.2
 Text Domain: a3-portfolio
 Domain Path: /languages
 License: GPLv2 or later
@@ -33,7 +33,7 @@
 define('A3_PORTFOLIO_TEMPLATE_IMAGES_URL', A3_PORTFOLIO_URL . '/templates/images');
 
 define( 'A3_PORTFOLIO_KEY', 'a3_portfolios' );
-define( 'A3_PORTFOLIO_VERSION', '2.7.2' );
+define( 'A3_PORTFOLIO_VERSION', '2.7.3' );
 define( 'A3_PORTFOLIO_G_FONTS', true );
 
 /**