- extract exif from avi and paired thm as well
- traverse ignoring file wildcards
- filter wildcard files
- use exiftool with autoclose and Keep Open
- metadata result is with Try to document why tag retrieval failed
- create a stream of options that use lazy values as well
- properly close the external exiftool process
- expand exif tags in order and keep the first that matches the format
- use dates extracted by exiftool as java.util.Date