3. A law may be repealed by implication, by an affirmative as well as by a negative statute, if the substance is inconsistent with the old statute. 1 Ham. 10: 2 Bibb, 96; Harper, 101; 4 W. C. C. R. 691.
4. It is a general rule that when a penal statute punishes an offence by a certain penalty, and a new statute is passed imposing a greater or a lesser penalty, for the same offence, the former statute is repealed by implication. 5 Pick. 168; 3 Halst. 48; 1 Stew. 506; 3 A. K. Marsh. 70; 21 Pick. 373. See 1 Binn. 601; Bac. Ab. Statute D 7 Mass. 140.
5. By the common law when a statute repeals another, and afterwards the repealing statute is itself repealed, the first is revived. 2 Blackf. 32. In some states this rule has been changed, as in Ohio and Louisiana. Civ. Code of:Louis. art. 23.
7. When a penal statute is repealed or so modified as to exempt a class from its operation, violations committed before the repeal are also exempted, unless specifically reserved, or unless there have been some private right divested by it. 2 Dana, 330; 4 Yeates, 392; 1 Stew. 347; 5 Rand. 657; 1 W. C. C. R. 84; 2 Virg. Cas. 382. Vide Abrogation; 18 Vin. Ab. 118.