* Warning - Lowest supported WooCommerce version is now 3.0
* Fix - Incorrect cart discount amount in some cases since WooCommerce 3.2
* Fix - Performance issues related to extremely high quantities in cart
* Fix - More than one group formed for non-repeating group pricing in some cases
* Fix - Users with role shop_manager can't save settings in Promotion tab
* Fix - Issues with "Combine to one total discount" functionality
* Fix - Cart Discount description displays raw HTML in responsive themes
* Fix - Issue with BXGY rules when no products are added to the "Buy" section
* Fix - "You Saved" label disappears on responsive themes on mobile devices
* Fix - Clicking on volume pricing table does not change variable product image
* Tweak - Volume pricing table can now display discount amount and discount percentage
* Tweak - Improved handling of irrational prices in case of per-group pricing
* Tweak - Removed setting "Irrational price handling" after implementing auto detection
* Tweak - Tiered pricing lower tiers should apply to items with higher prices
* Tweak - Improved handling of incomplete cart item data due to 3rd party code
* Tweak - Other minor bug fixes and improvements
* Dev - Renamed all helper classes, check for new method location if used in custom code
* Dev - New filter rp_wcdpd_volume_pricing_table_range_value
* Dev - New filter rp_wcdpd_volume_pricing_table_range_discount_amount
* Dev - New filter rp_wcdpd_volume_pricing_table_range_discount_percentage
* Dev - Filter rp_wcdpd_product_pricing_adjusted_price second argument changed
* Dev - Filter rp_wcdpd_product_pricing_adjusted_unit_price arguments changed
