*Fixed options for disabled layers in the side menu not collapsing
*Fixed missing return value in ElectrificationResolver._findTracksAdjacentToRoutes
*Changed SceneryObject.fromText to throw an error instead of logging it
*Updated tools/scp.py version text
*Fixed scp.py removing signal boxes with no name
*Fixed the parser skipping mechanical signals
*Improved loading speed of unoptimized .sc files by throwing less unknownObjectType warnings