@Override
	public int compare(PrioritisedTask<M> o1, PrioritisedTask<M> o2) {
		return o1.compareTo(o2);
	}
@ Override public int compare ( PrioritisedTask < M > o1 , PrioritisedTask < M > o2 ) { return o1 . compareTo ( o2 ) ; }
@see java.util.Comparator#compare(java.lang.Object, java.lang.Object)