Merge pull request #14 from xkevio/master

Fix GCC build error by correctly including `<utility>` header

include/helpers.hpp

@@ -3,6 +3,8 @@
 #include <fstream>
 #include <iostream>
 #include <iterator>
+#include <type_traits>
+#include <utility>
 #include <vector>
 #include "termcolor.hpp"