Although a long time ago, it was mentioned that it would be improbable we would get to play a non-human race. I'm guessing Madoc is talking about creating non-human NPCs like porky from the Kickstarter videos.
Ours is at heart a low fantasy world. Other races are nothing like humans, they have drastically different intelligences and psychologies. Non human races with societies similar to that of humans don't fit in with our world design. That said our universe does potentially support it.
We have considered making at least one other race playable but adding enough depth to this to make it viable would be a lot of work. If we didn't put a lot of care into it it would just be silly.
Thaumaturgy is very much an aspect of the human mind and this is an important element of the "lore". That said this doesn't mean other races might not have some other form of it. Don't expect "ogre mages" or anything like that though.
Other races may indeed use some tools and they will be able to communicate amongst eachother.
The core of the story is the very thing we want to hide. That's where you have to try to get to using your wits and reasoning.