Arbitration — Competence of Arbitrators — Power to Determine Jurisdiction.

Arbitration — Evidence — Evidence Discovered Subsequent to the Rendering of the Award.

Arbitration — Award — Finality of — The Power of the Commission to Reopen a Case Decided by it — The Power to Reopen the Proceedings in Cases of Misinterpretation of Evidence, Mistakes in Calculation, and Material Errors of Law — After-discovered Evidence — After-discovered Evidence Pointing to Fraudulent, Incomplete, Collusive and False Evidence in Original Proceedings — The Power of the Commission to pass upon its Own Jurisdiction.