"Private Property Protection Act"; providing for compensation to property owners for loss in market value due to implementation of regulatory programs; providing for inverse condemnation, specifying certain compensation requirements and exceptions, providing for certain remedies, prohibiting conditional waivers; providing for application and imposing a statute of limitations for actions; authorizing conditional relaxation of land use planning, zoning or other regulatory programs affecting the land under certain governmental unit unwillingness or inability to pay conditions, procedure, providing for the continued validity of permits or other entitlements granted under rolled back programs; requiring and providing for certain property tax adjustments (mk)