Legislature; sessions; unicameral nonpartisan legislature; provide for. Amends sec. 9, art. II, sec. 8, art. III, secs. 1, 6, 7, 8, 11, 12, 14, 16, 17, 18, 19, 20, 22, 24, 26, 27, 29, 30, 31, 33, 37, 43, 53 & 54 art. IV, secs. 2, 3, 6, 7, 13, 18, 20, 25, 26, 28 & 29, art. V, secs. 1 & 25, art. VI, sec. 6, art. VIII, secs. 3, 15 & 27, art. IX, sec. 5, art. X, secs. 5 & 7, art. XI, sec. 1 & 3, art. XII, adds sec. 1a to art. IV, & repeals secs. 2, 3 & 21 of art. IV of the state constitution.