Here's my question.
Are racial level limitations in place fordifferent races and different classes? This is why I've always stayed away from non human classes, because the limitations for being a non human race in level advancement.
Any thoughts?

Since ID is using 2nd edition rules, not 3rd, I would have to assume those racial maximums are in place. Of course, the only way to multi-class is to play a non-human, and since the experience gets divided, you never really get too close to the max with one of those.