I'm.. still not sure what you'd like to see changed, I'm afraid. I do snap the player to the grid to avoid getting stuck on walls. I guess it takes a moment to turn around, because you have to finish your movement to the other grid tile first, but you can just hold down both buttons to ensure you don't miss your exit if you want to make a turn.
Movement is deliberately a bit slower, since I wanted moving to feel more like a tactical choice, rather than just hectic. I want to give a bit of time to evaluate a good path in tense situations.