1. renamed switch_continuity_violations to simultaneous_switches 2. made the method more terse
1. renamed switch_continuity_violations to simultaneous_switches
2. made the method more terse

pauldeng/nilmtk,AlexRobson/nilmtk,jaduimstra/nilmtk,HarllanAndrye/nilmtk,nilmtk/nilmtk,josemao/nilmtk,nilmtk/nilmtk,mmottahedi/nilmtk