More work on CLI, plus changed all ints to be uint64_t

catalogue/Catalogue.hpp

catalogue/MockCatalogue.cpp

catalogue/MockCatalogue.hpp

common/dataStructures/ArchiveRoute.cpp

common/dataStructures/ArchiveRoute.hpp

common/dataStructures/StorageClass.cpp

common/dataStructures/StorageClass.hpp

common/dataStructures/TapePool.cpp

common/dataStructures/TapePool.hpp

common/dataStructures/UserGroup.cpp

common/dataStructures/UserGroup.hpp

common/dataStructures/UserIdentity.cpp

common/dataStructures/UserIdentity.hpp

scheduler/Scheduler.cpp

scheduler/Scheduler.hpp

xroot_plugins/XrdCtaFile.cpp