An Act amending the act of June 2, 1915 (P.L.736, No.338), known as the Workers' Compensation Act, in damages by action at law, further providing for recovery; in liability and compensation, further providing for schedule of compensation, repealing provisions relating to computation of benefits and providing for computation of benefits; in procedure, further providing for compromise and release, for collective bargaining agreement and for workers' compensation insurance; in additional coverages, further providing for irrebuttable presumption; in Self-Insurance Guaranty Fund, further providing for definitions and for prefund account; and, in Uninsured Employers Guaranty Fund, further providing for definitions.