Nothing herein shall apply to:
1. Prohibit persons from giving preference to prospective buyers or tenants for any reason other than race, color, handicap, familial status, religion, age or national origin;
2. The sale of a dwelling which is, or was at the time when first offered for sale, the residence of its owner;
3. The rental of rooms in an owner-occupied residence or in a dwelling used exclusively as a rooming house;
4. The rental or leasing of a housing unit in a building containing not more than eight housing units; or
5. The rental or leasing of a dwelling or housing unit owned by any religious or fraternal organization, or private club used and occupied for such organizational purposes.