NFC Shield / Missing p2p parts of sw library

Hi,
I am experimenting with your NFC Shield.
When I downloaded the library, I found that the p2p parts, as well as the PtoPInitiator.pde and PtoPTarget.pde examples are missing. Where can I download the right source? I have downloaded from the Wikipage seeedstudio.com/wiki/NFC_Shield

br,

Lars