Gets the value of the holidayOrException property.
<p>
This accessor method returns a reference to the live list,
not a snapshot. Therefore any modification you make to the
returned list will be present inside the JAXB object.
This is why there is not a <CODE>set</CODE> method for the holidayOrException property.
<p>
For example, to add a new item, do as follows:
<pre>
getHolidayOrException().add(newItem);
</pre>
<p>
Objects of the following type(s) are allowed in the list
CalendarType.HolidayOrExceptions.HolidayOrException