WooCommerce Dynamic Pricing & Discounts 2.4.6

* Fix - Subtotal off by one cent due to cart discount rounding in some rare cases
* Fix - Incorrect cart discount calculation with specific tax configuration
* Fix - WooCommerce compatibility issue related to 'variation_id' in cart item data
* Tweak - Other minor bug fixes and improvements

* Fix - "Buy x get y" rule applied twice under some conditions
* Fix - "Fixed discount per item" incorrect calculation under some conditions
* Fix - Price caching issue for variable products
* Fix - Parse error unexpected '{' in PHP 5.3

* Fix - Tiered pricing price per range wrong when multiple items fall into one range
* Fix - Tiered pricing price per range subtotal rounding issue
* Fix - Problems with cart discount limits when fixed cart discount is used
* Fix - Per item cart discount apportioned to items not matching conditions
* Fix - Simple pricing rules appear as being applied twice on add to cart
* Fix - "Cannot read property xxx of undefined" when Object.prototype is modified
* Fix - Double currency conversion with realmag777 currency switcher plugin
* Fix - Issue with multiple modal based volume pricing tables on a single page
* Fix - WooCommerce internal customer and product meta does not work in conditions
* Fix - Uncaught Error: Call to a member function get_cart() on null
* Tweak - Changed the way "Your Price" determines what price to display
* Tweak - Pricing table is now scrollable when there's not enough width for full table
* Tweak - Other minor bug fixes and improvements
* Dev - Changed RP_WCDPD_Controller_Methods_Product_Pricing::get_change_set() behavior
* Dev - Changed "Your Price" label element class to .rightpress_live_product_price_label
* Dev - New action rp_wcdpd_volume_pricing_table_before_table
* Dev - New action rp_wcdpd_volume_pricing_table_after_table
* Dev - New action rp_wcdpd_promotion_countdown_timer_before_timer
* Dev - New action rp_wcdpd_promotion_countdown_timer_after_timer
* Dev - New action rp_wcdpd_promotion_countdown_timer_before_label
* Dev - New action rp_wcdpd_promotion_countdown_timer_after_label
* Dev - New action rp_wcdpd_promotion_countdown_timer_after_time
* Dev - New filter rp_wcdpd_volume_pricing_table_title
* Dev - New filter rp_wcdpd_volume_pricing_table_display
* Dev - New filter rp_wcdpd_volume_pricing_table_applicable_rule
* Dev - New filter rp_wcdpd_volume_pricing_table_variation_attributes
* Dev - New filter rp_wcdpd_promotion_countdown_timer_display
* Dev - New filter rp_wcdpd_promotion_countdown_timer_display_for_product
* Dev - New filter rp_wcdpd_promotion_countdown_timer_applicable_rules
* Dev - New filter rp_wcdpd_promotion_countdown_timer_threshold_datetime
* Dev - New filter rp_wcdpd_promotion_countdown_timer_data
* Dev - New filter rp_wcdpd_promotion_rule_notifications_title_{context}
* Dev - New filter rp_wcdpd_promotion_rule_notifications_description_{context}
* Dev - New filter rp_wcdpd_promotion_rule_notifications_descriptions_to_combine_{context}
* Dev - New filter rp_wcdpd_promotion_rule_notifications_combined_description_{context}
* Dev - New filter rp_wcdpd_promotion_total_saved_discount_threshold