Oops my last commit also removed a friend class but I actually need to keep that. I forgot to test the removal because I started with the documentation and then forgot about the friend class removal. I actually still need the friend class statment so this change set adds it back
Oops my last commit also removed a friend class but I actually need to keep that.
I forgot to test the removal because I started with the documentation and then forgot about the friend class
removal. I actually still need the friend class statment so this change set adds it back

bvanderlaan/Taranis,bvanderlaan/Taranis