Article I, Section 13.  [Prosecution by information or indictment -- Grand jury.]
     Offenses heretofore required to be prosecuted by indictment, shall be prosecuted by information after examination and commitment by a magistrate, unless the examination be waived by the accused with the consent of the State, or by indictment, with or without such examination and commitment. The formation of the grand jury and the powers and duties thereof shall be as prescribed by the Legislature.