v0.6 
Added support (by Pat Tullman, thanks also to Jan Niehusmann) for Casio
cameras. Some cleanup (thanks to Holm Sieber, and again to Geoff Kuenning).
Also overhauled Exif finding in JPG files (Thanks to Geoff Kuenning and
Jeremie Rostand for suggesting this and providing their solutions). 


v0.5 
Added extra light-source type (Overcast) for Olympus D-510Z (thanks to Geoff
Kuenning for the patch). Removed a number of compile warnings under more
recent g++ versions too. 


v0.4 
Added support (by Jan Brittenson) for some Canon cameras. (It's been tested
against the Canon S100 and G1)


v0.3 
Added remainder of documented Olympus fields.


v0.2 
Removed uses of 'round()'.


v0.1 
First public release.