code: public List<Event> getGlobal(LocalDate dateFrom, LocalDate dateTo,
  			List<Integer> spaceIds, ReferenceType... types) {
  		return getCalendar("", dateFrom, dateTo, spaceIds, types);
  	}
docs: Returns all items that the user have access to and all tasks that are
  assigned to the user. The items and tasks can be filtered by a list of
  space ids, but tasks without a reference will always be returned.
  
  @param dateFrom
  The from date
  @param dateTo
  The to date
  @param types
  The types of events that should be returned. Leave out to get
  all types of events.
  @return The events in the calendar