adde code to surpress over-lapping arcs; removed code that discards data in edge-cases; added more cases to import_calpar_debug_plots
adde code to surpress over-lapping arcs; removed code that discards data in edge-cases; added more cases to import_calpar_debug_plots

jgte/orb,jgte/orb,jgte/orb,jgte/orb,jgte/orb