Unit tests of archiving to a single file now pass

middletier/SQLite/SqliteDatabase.cpp

scheduler/ArchiveRequest.cpp

scheduler/ArchiveRequest.hpp

scheduler/ArchiveToDirRequest.cpp

scheduler/ArchiveToDirRequest.hpp

scheduler/ArchiveToFileRequest.cpp

scheduler/ArchiveToFileRequest.hpp

scheduler/ArchiveToTapeCopyRequest.cpp

scheduler/ArchiveToTapeCopyRequest.hpp

scheduler/CMakeLists.txt

scheduler/MockSchedulerDatabase.cpp

scheduler/MockSchedulerDatabase.hpp

scheduler/Scheduler.cpp

scheduler/Scheduler.hpp

scheduler/SchedulerDatabase.hpp

scheduler/SchedulerTest.cpp