louloulibs is directly included, instead of being a submodule

Because this is a nightmare to manage

louloulibs/utils/tolower.hpp

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