YITH WooCommerce Checkout Manager Premium 1.36.0

Update: Plugin Core
Fix: Checkout required fields don't match plugin settings
Tweak: Allow adding more values to fields check conditions

Update: spanish language
Fix: phone and email fields not shown in My Account billing section

* Update: Italian language
* Update: Notice handler
* Update: Plugin framework
* Fix: JavaScript set required condition for fields by checking products in cart