louloulibs is directly included, instead of being a submodule

Because this is a nightmare to manage

louloulibs/utils/revstr.hpp

@@ -0,0 +1,11 @@
+#ifndef REVSTR_HPP_INCLUDED
+# define REVSTR_HPP_INCLUDED
+
+#include <string>
+
+namespace utils
+{
+  std::string revstr(const std::string& original);
+}
+
+#endif // REVSTR_HPP_INCLUDED