public static void addClassProgression(int i) {
		// Cap levels to 20
		if (classProgression.size() < 20) {
			// if class not taken, and not at the 3 class limit
			// add it to our unique class list
			if (!classTaken(i))
				addTakenClass(i);
			
			if (classTaken(i))
				classProgression.add(i);
		}
	}