Fix video aspect ratio calculation
Merge branch 'fix-aspect-ratio' of github.com:nlegoff/PHP-FFmpeg into nlegoff-fix-aspect-ratio

* 'fix-aspect-ratio' of github.com:nlegoff/PHP-FFmpeg:
  Fix video aspect ratio calculation
Merge branch 'nlegoff-fix-aspect-ratio'

* nlegoff-fix-aspect-ratio:
  Fix video aspect ratio calculation
Update changelog