src/it/designfuture/flatpickr/FlatDatePicker.js
function(selectedDates, dateStr, instance) {
			this.fireOnChange({selectedDates: selectedDates, dateStr: dateStr, instance: instance});
		}
function(selectedDates, dateStr, instance) {
			this.fireOnChange({selectedDates: selectedDates, dateStr: dateStr, instance: instance});
		}
////////////////////////////////////////////////// EVENTS HANDLING //////////////////////////////////////////////////