Iterative loop for calculating exponents. The last few lines might be cheating, but the outputs seem to be correct.
	new file:   mitEduX/6.00.1x/recursionAndObjects/gcdIterative.py
	new file:   mitEduX/6.00.1x/recursionAndObjects/gcdRecursive.py
	new file:   mitEduX/6.00.1x/recursionAndObjects/recursFactorial.py
	new file:   mitEduX/6.00.1x/recursionAndObjects/recursPower.py
	new file:   mitEduX/6.00.1x/simpleAlgorithms/countingBobs.py
	modified:   mitEduX/6.00.1x/simpleAlgorithms/creditCardDebt.py
	new file:   mitEduX/6.00.1x/simpleAlgorithms/vowelCount.py
	new file:   mitEduX/6.00.1x/simpleProcedures/staticVsLexical.py
	new file:   mitEduX/6.00.1x/simpleProcedures/vowelCount.py