§ 100. Jurisdiction and powers of municipality unimpaired. Nothing in this chapter shall be construed to prevent or relieve the municipality from furnishing or supplying services or facilities from other than housing funds of a character or nature heretofore or formerly furnished or supplied by the municipality. The municipality may furnish and supply from other than housing funds such services and facilities for the tenants of a project of an authority as it furnishes and supplies to other residents of the municipality.