* Fixed match() to prefer an exact match over a wildcard match with the same
number of matching characters (Key "Nikon" now prefers registry entry "Nikon"
over "Nikon*"), simplified the return value of match() to an int score value.
* Added DEBUG_REGISTRY debug output.
* Code and documentation cleanup.
Added MakerNote::offset()
Fixed IfdMakerNote::copy() for IfdMakerNote with a prefix
Various doc fixes
ifd:
Fixed Ifd::erase(pos) to return an iterator
Added Ifd::dataOffset()
Various doc fixes
exif:
Added Thumbnail::offset()
Fixed ExifData::eraseThumbnail()
Fixed ExifData::erase(pos) to return an iterator
Andreas Huggel