ByteCodeClass.SuperClass attribute added.
Recursive test method added.
Frame argument added to InvokeInstruction.resolveTargetMethod().
InvokeInstruction.framesOut() revised; now calls resolveTargetMethod()
per frame rather than only once. ByteCodeClass.resolve() added, that
return the ByteCodeClass starting from this one upwards in the
inheritance hierarchy that has a definition of the specified method.