Update 10/25/2021: Upgrade: Added keys ' lcc:SFTPDownloadRenamePreviousCopy', ' lcc:SFTPDownloadRenamePreviousCopyMaxVersions', 'lcc:SFTPDownloadRenamePreviousCopyFilter'
Update 10/11/2021: Upgraded to .NET 4.8 to support TLS 1.2.
Update 5/26/2021: Upgrade: added Key File authentication.
Update 12/7/2020: Upgrade: Added new flags for MM.DD.YYYY. Bug fix: handling '.' and '..' directory names.
Update 9/22/2020: Upgrade: Added Key "lcc:SFTPDirectoryDownloadPath" for downloading entire folders. Upgraded log files to include YYYYMMDD on filenames.
Update 1/31/2014: Upgrade Directory listings to show Directory/File type, Size, Modified and sub-directories, added Flags.
Update 1/14/2014: Program released.
lccSFTP was created to: