Changes for handling errors in cases of input file not found and not right histograms
Changes for handling errors in cases of input file not found and not right histograms

simonpf/root,mhuwiler/rootauto,zzxuanyuan/root,agarciamontoro/root,bbockelm/root,gbitzes/root,beniz/root,Y--/root,gganis/root,georgtroska/root,mhuwiler/rootauto,simonpf/root,karies/root,BerserkerTroll/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,buuck/root,zzxuanyuan/root-compressor-dummy,gganis/root,root-mirror/root,buuck/root,simonpf/root,davidlt/root,pspe/root,karies/root,bbockelm/root,abhinavmoudgil95/root,gganis/root,gbitzes/root,abhinavmoudgil95/root,bbockelm/root,pspe/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,zzxuanyuan/root,gbitzes/root,buuck/root,georgtroska/root,davidlt/root,davidlt/root,beniz/root,georgtroska/root,abhinavmoudgil95/root,Y--/root,bbockelm/root,thomaskeck/root,olifre/root,root-mirror/root,pspe/root,Y--/root,pspe/root,olifre/root,georgtroska/root,Y--/root,agarciamontoro/root,buuck/root,olifre/root,buuck/root,thomaskeck/root,zzxuanyuan/root,simonpf/root,satyarth934/root,karies/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,simonpf/root,BerserkerTroll/root,beniz/root,olifre/root,agarciamontoro/root,satyarth934/root,gbitzes/root,gganis/root,davidlt/root,abhinavmoudgil95/root,abhinavmoudgil95/root,olifre/root,satyarth934/root,zzxuanyuan/root,buuck/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,karies/root,karies/root,Y--/root,Y--/root,simonpf/root,georgtroska/root,thomaskeck/root,mhuwiler/rootauto,gganis/root,agarciamontoro/root,zzxuanyuan/root,gbitzes/root,abhinavmoudgil95/root,simonpf/root,pspe/root,beniz/root,BerserkerTroll/root,satyarth934/root,BerserkerTroll/root,Y--/root,simonpf/root,buuck/root,Y--/root,satyarth934/root,davidlt/root,olifre/root,satyarth934/root,gbitzes/root,davidlt/root,bbockelm/root,satyarth934/root,bbockelm/root,BerserkerTroll/root,bbockelm/root,agarciamontoro/root,thomaskeck/root,beniz/root,BerserkerTroll/root,zzxuanyuan/root,gbitzes/root,karies/root,mhuwiler/rootauto,root-mirror/root,root-mirror/root,root-mirror/root,BerserkerTroll/root,buuck/root,pspe/root,root-mirror/root,zzxuanyuan/root-compressor-dummy,georgtroska/root,georgtroska/root,gganis/root,karies/root,Y--/root,mhuwiler/rootauto,gganis/root,root-mirror/root,BerserkerTroll/root,gganis/root,pspe/root,gganis/root,bbockelm/root,georgtroska/root,zzxuanyuan/root,mhuwiler/rootauto,thomaskeck/root,simonpf/root,agarciamontoro/root,davidlt/root,zzxuanyuan/root-compressor-dummy,davidlt/root,karies/root,georgtroska/root,BerserkerTroll/root,mhuwiler/rootauto,olifre/root,gganis/root,gbitzes/root,zzxuanyuan/root,thomaskeck/root,buuck/root,georgtroska/root,beniz/root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,davidlt/root,Y--/root,gbitzes/root,beniz/root,agarciamontoro/root,mhuwiler/rootauto,bbockelm/root,karies/root,satyarth934/root,gganis/root,root-mirror/root,olifre/root,mhuwiler/rootauto,simonpf/root,zzxuanyuan/root,bbockelm/root,beniz/root,abhinavmoudgil95/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,bbockelm/root,beniz/root,agarciamontoro/root,abhinavmoudgil95/root,karies/root,root-mirror/root,davidlt/root,zzxuanyuan/root-compressor-dummy,karies/root,mhuwiler/rootauto,olifre/root,pspe/root,gbitzes/root,georgtroska/root,beniz/root,pspe/root,thomaskeck/root,abhinavmoudgil95/root,buuck/root,thomaskeck/root,satyarth934/root,root-mirror/root,pspe/root,zzxuanyuan/root,buuck/root,pspe/root,gbitzes/root,thomaskeck/root,abhinavmoudgil95/root,satyarth934/root,davidlt/root,agarciamontoro/root,BerserkerTroll/root,olifre/root,beniz/root,Y--/root,simonpf/root,agarciamontoro/root,olifre/root