New Features

[TOOLS-1447] - (ASBACKUP) Added --output-file-prefix, prepends desired prefix for files generated using the --directory option.
[TOOLS-1448] - (ASBACKUP) Added --no-ttl-only, to only process records that have no Time To Live (TTL).
[TOOLS-1449] - (ASBACKUP) Added --record-num, an approximate limit for the number of records to process.