code: public static Outcome create(final Status status, final URI invocationID) {
          return create(status, invocationID, null, null);
      }
docs: Creates a new {@code Outcome} with the status code and invocation ID supplied.
  
  @param status
  the status code, not null
  @param invocationID
  the invocation ID, not null
  @return the created {@code Outcome}