Version 2.2.0
- Add support for Python 3.5, 3.6, 3.7
- Drop official support for Python 2.6, 3.2, 3.3
- Fix for string count equals 0 (issue #67)
- Rebasing of struct pull requests: closes #54, closes #60 (Christopher Chavez)
- Raw images support by changing Tiff detection (xaumex)
- Fix GPS information erroneously None #96 (Christopher Chavez)
- Initial HEIC support (Sam Rushing)