added tolower.cppused to convert a string to lowercase to allow some …

…felxibility of text entered

tolower.cpp

@@ -0,0 +1,9 @@
+#include <string>
+#include <algorithm>
+
+using namespace std;
+
+string convert_to_lower(string string_to_convert){
+	transform(string_to_convert.begin(),string_to_convert.end(),string_to_convert.begin(),::tolower);
+	return string_to_convert;
+}