Re-installing Hazel. How to import license

Hello forums.
I have had Hazel for quite some years now, and I also bought Hazel 3 when it was released. I now need to install Hazel on a new, clean install of OSX (Mavericks). How do i export the license from my existing Hazel install, so that I can import it onto my new machine?
I cant find the old email from noodlesoft, with the original license..
Is there anything that can be done, or should I just buy it again?
Thanks,
Sander
I have had Hazel for quite some years now, and I also bought Hazel 3 when it was released. I now need to install Hazel on a new, clean install of OSX (Mavericks). How do i export the license from my existing Hazel install, so that I can import it onto my new machine?
I cant find the old email from noodlesoft, with the original license..
Is there anything that can be done, or should I just buy it again?
Thanks,
Sander