Add time boundaries
Add time boundaries

SchadkoAO/FDTD_Solver,SchadkoAO/FDTD_Solver,AlexHatesUnicorns/FDTD_Solver,AlexHatesUnicorns/FDTD_Solver,SchadkoAO/FDTD_Solver,SchadkoAO/FDTD_Solver,SchadkoAO/FDTD_Solver,SchadkoAO/FDTD_Solver