- Update to 12.92:
* Removed -w from exiftool shebang

- Update to 12.91:
* Fixed 2 test files that were causing failed tests

- Update to 12.90:
* Added support for reading Samsung trailer from PNG images
* Decode two more formats of timed GPS from MP4 videos
* Decode a few more Samung trailer tags (thanks Neal Krawetz)
* Decode Canon AntiFlicker tag
* Drop Nikon ShotInfo record when copying MakerNotes from NEF
to JPG if it is larger than 50000 bytes (then MakerNotes would
be too large for a single JPEG segment)
* Changed exiftool shebang from "#!/usr/bin/perl" to "#!/usr/bin/env perl"
* Revert change of 12.84 to iterate through sub-documents
with the -p option only if -ee is used