* Fix - A default distance rate should not be shown before address is entered.
* Fix - Google API doc link update.
* Update - WC tested up to 3.4
* Add - GDPR privacy support.
* Tweak - Add new filters to override rule cost for each calculated conditions (`woocommerce_distance_rate_shipping_rule_cost_distance_shipping`, `woocommerce_distance_rate_shipping_rule_cost_time_shipping`, `woocommerce_distance_rate_shipping_rule_cost_weight_shipping`, `woocommerce_distance_rate_shipping_rule_cost_order_total_shipping`, and `woocommerce_distance_rate_shipping_rule_cost_quantity_shipping`). This allows multiple conditions combined with `AND` or `OR` operations. See Override rule cost for distance shipping when destination within 5miles of shop AND order total over $100 · GitHub for an example.
* Fix - Ensure all min/max accepts decimal values except quantity.
* Fix - Issue where decimal values/rules not being honored -- missing round distance down to 1 decimal places towards zero, when it's half way there.
* Fix - Issue where transient is not used properly.
* Tweak - Added filter for Distrance Matrix API response.
