Add another compression type for the pentax files
Add the K100D Super and *istD
Add a new MOS decoder
Add the Leaf Aptus 22
Don't leak memory in the XMP parsing
Guard against empty XMP tiff entries
Merge pull request #19 from pedrocr/old-pentax-support

Add support for the Pentax K100D Super and *ist D
Merge pull request #20 from pedrocr/mos-support

Add a decoder for the Leaf .MOS format