* libexif/exif-data.h: Introduce an array of ExifContents. This
doesn't break binary compatibility, but it breaks compilation.
Do something like "%s/->ifd_0/->ifd[EXIF_IFD_0]" in your source
code to make it compile again.
* libexif/configure.in: Introduce proper versionning.
* libexif: There's only one ByteOrder per ExifData.
* libexif/libexif-entry.c: More tags implemented in
(exif_entry_get_value).
Most digital cameras produce EXIF files, which are JPEG files with extra
tags that contain information about the image. The EXIF library allows you
to parse an EXIF file and read the data from those tags.