louloulibs is directly included, instead of being a submodule

Because this is a nightmare to manage

louloulibs/utils/split.hpp

@@ -0,0 +1,12 @@
+#ifndef SPLIT_INCLUDED
+# define SPLIT_INCLUDED
+
+#include <string>
+#include <vector>
+
+namespace utils
+{
+  std::vector<std::string> split(const std::string &s, const char delim, const bool allow_empty=true);
+}
+
+#endif // SPLIT_INCLUDED