* Fix - Wrong cart item price displayed when some units are based on regular price
* Fix - WC customer/product properties set as meta conditions result in error
* Fix - Volume pricing table not displayed in product quick view
* Fix - Undefined index QUERY_STRING on some servers
* Fix - Currency switcher compatibility issues
* Fix - Compatibility issues with WooCommerce versions < 3.0
* Fix - Public description tooltips not visible on some themes (z-index issue)
* Fix - Custom taxonomy condition displays warning when get_the_terms returns false
* Fix - Quotes in condition item names not handled properly
* Tweak - Other minor bug fixes and improvements
