2019.11.25 - version 4.8.8
* Fix - No preference does not show available dates for staff.
2019.11.23 - version 4.8.7
* Fix - Revert back availability check change.
2019.11.22 - version 4.8.6
* Improvement - Updated compatibility with WooCommerce Multilingual 4.7.3.
* Improvement - Required image swatches don't show error wih JS but reload the page.
* Improvement - Updated Product Add-ons to 3.0.20.
* Fix - Datepicker not working with Google Translate.
* Fix - Addon quantity does not store minimum number 0.
* Fix - Quantity add-on field does not respect min/max limits range.
* Fix - Unavailable minutes should not be appointable.
2019.11.14 - version 4.8.5
* Fix - Rendering of rules not working correctly.
2019.11.14 - version 4.8.4
* Improvement - Better processing of staff rules, faster loading with lots of staff.
* Fix - Requesting specific staff availability resulted in error.
