An Act amending Titles 18 (Crimes and Offenses) and 42 (Judiciary and Judicial Procedure) of the Pennsylvania Consolidated Statutes, in general principles of justification, further providing for definitions, for use of force in self-protection, for use of force for the protection of other persons, for grading of theft offenses and for licenses to carry firearms; providing for civil immunity for use of force; and further providing for registration of sexual offenders and for sentence for failure to comply with registration of sexual offenders.