Fixed download file structure to create subdirectories.  Concurrent downloads functional.
Optimized FTP downloader to use one FTPConnectionHandler and injected into class.  Performance Enhancement to concurrent download functionality.
Corrected issue with test making fake directories.  Refactored File Data Validator to InputDataValidator
Compression command completed.  Created Framework abstraction for Working Directory Repo.  Should have written tests.  Putting it on the TODO list.