“ As the authority conferred by Kansas upon her courts was to set aside void judgments, provisions of the Constitution of the United States which would have been available if pleaded or otherwise presented in the state courts as a defense in the proceedings in the original action to defeat the recovery of a valid judgment cannot, when the opportunity has not been availed of and the judgment has become a finality, be resorted to as establishing that in fact the judgment possessed no binding force or efficacy whatever. ”

“ The right of the plaintiff in error, and his predecessors, citizens of the state of New Jersey, to act as executors of the estate of George Manley, deceased, is a privilege, and the exemption of an executor, not a resident in the state of Kansas, from suits by attachment, is an immunity which is guaranteed by § 2, art. ”