Pixtrail

Added
* Command-line interface with basic options
* Initial support for JPG, PNG and TIFF formats

Changed
* Improved EXIF data extraction performance
* Better handling of files without GPS data

Added
* Initial experimental version
* Basic EXIF data extraction
* Simple GPX file generation

Added
* Proof of concept
* Minimal EXIF parsing capabilities
* Command-line skeleton

[unreleased]: https://github.com/sukitsubaki/pixTrail/compare/2.3.3...HEAD