code: public CompoundConstraint addAll(List constraints) {
  		Algorithms.instance().forEach(constraints, new Block() {
  			protected void handle(Object o) {
  				add((Constraint)o);
  			}
  		});
  		return this;
  	}
docs: Add the list of constraints to the set of constraints aggregated by this
  compound constraint.
  
  @param constraints
  the list of constraints to add
  @return A reference to this, to support chaining.