rem: qsort(array->items, array->itemCount, sizeof(void*), comparer);
add: if (array->itemCount > 1) {  qsort(array->items, array->itemCount, sizeof(void*), comparer); }
context: WMSortArray(WMArray *array, WMCompareDataProc *comparer){    qsort(array->items, array->itemCount, sizeof(void*), comparer);}