Doesn't look like it works very well. It requires a device running OSX to proxy the iMessage stuff through, and apparently the OSX client itself is unreliable.
I wouldn't call the OS X Messages app unreliable -- it does what it says on the box. That said, I'm not sure it's a good fit for the method used in this project.
Bottom of the page it reads:
>Since I've moved onto other projects and haven't had time to finish this,