boon/src/main/java/org/boon/sort/SortingInternal.java
public static void sort( List list, String sortBy, Map<String, FieldAccess> fields, boolean ascending) {

        sort(list, sortBy, fields, ascending, false);

    }
public static void sort( List list, String sortBy, Map<String, FieldAccess> fields, boolean ascending) {

        sort(list, sortBy, fields, ascending, false);

    }
This is the work horse. It does all of the sorting work for the simple cases.
Nulls are last by default.
@param list the list you want to sort.
@param sortBy what you want to sort the list by.
@param fields the reflection fields
@param ascending true for ascending