Added a benchmark tool

Headers/Problem23.hpp

@@ -38,10 +38,12 @@ private:
 	uint64_t sum;	//The sum of all the numbers we are looking for
 	//A function that returns true if num can be created by adding two elements from abund and false if it cannot
 	bool isSum(const std::vector<int>& abund, int num);
+	void reserveVectors();
 public:
 	Problem23();
 	virtual void solve();
 	virtual std::string getString() const;
+	virtual void reset();
 	//Returns the sum of the numbers asked for
 	uint64_t getSum() const;
 };