made harness args primitives, added wrappers at beginning of body (this means harness methods cannot be called within code without manual changes)
made harness args primitives, added wrappers at beginning of body (this means harness methods cannot be called within code without manual changes)

plum-umd/java-sketch,plum-umd/java-sketch,plum-umd/java-sketch,plum-umd/java-sketch