Update WooCommerce Product Filter v.3.3.9

improved sanitization of request data to comply with WordPress coding standards
Fixed: settings not saving due to incorrect JSON decoding
Fixed: infinite recursion in stat extension caused by woof_get_request_data filter
Fixed: textarea fields showing wrong quotes and extra whitespace in admin
Fixed: radio reset button not working with iCheck
Fixed: PHP warning from file_put_contents in smart_designer extension

Shortcodes, hooks and extensions reference for HUSKY WooCommerce Products Filter