Added getSum and getProd for tables

Algorithms.lua

@@ -175,3 +175,23 @@ function getDivisors(goalNumber)
 	--Return the list
 	return divisors;
 end
+
+function getSum(ary)
+	sum = 0;	--Holds the sum of all elements. Start at 0 because num+1 = num
+	--Look through every element in the array and add the number to the running sum
+	for location = 1, #ary do
+		sum = sum + ary[location];
+	end
+	--Return the sum of all elements
+	return sum;
+end
+
+function getProd(ary)
+	prod = 1;	--Holds the product of all elements. Start at 1 because num*1 = num
+	--Look through every element in the array and add the number to the running product
+	for location = 1, #ary do
+		prod = prod * ary[location];
+	end
+	--Return the product of all elements
+	return prod;
+end