+string const rsplit(string const & a, string & piece, char delim);
+
+/// Escapes non ASCII chars
+string const escape(string const & lab);
+
+/// gives a vector of stringparts which have the delimiter delim
+std::vector<string> const getVectorFromString(string const & str,
+ string const & delim = ",");
+
+// the same vice versa
+string const getStringFromVector(std::vector<string> const & vec,
+ string const & delim = ",");