Actually yes, you should try it, or even better, the last version of freelancer, that also includes it

Nope, although I've heard its quite useful.

Are you playing with diplomacy mod?

I've had for quite some time now, quite possibly over a year, though I'm not sure. I own all of Calradia at this point in the game. Everyone is a vassal of mine xD

Did, you, bought, it, or did you already had it?