You can find a List of those, who did major contributions in the Wiki: 

http://phex.kouk.de/wiki/index.php/Contributors

Since listing all those users who tested Phex and all those coders who contributed other important parts of Phex in this file, can't be complete without major research, we want to use this space to say a big general 

Thank you! Thank you all!
- The Phex Development Group
