Use ROOT error logger.
Use ROOT error logger.

In addition having #include <iostream> in header files is 'somewhat' costly as
it induces static variables in each compilation unit containing it.

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