I guess in the latest one they did not include it in the src.zip... you should be able to download it via CVS from source forge...

http://sourceforge.net/cvs/?group_id=27021

You can also browse the CVS (you can also download each file individually slower then using CVS software)...

http://cvs.sourceforge.net/cgi-bin/v...cgi/phex/phex/