/** Emitted if read() issued a warning which the user might want to know about */
static boost::signals2::signal<void (std::string)> Warning;
/** Emitted if there is a something wrong the contents of our config. Handler can call
/** Emitted if read() issued a warning which the user might want to know about */
static boost::signals2::signal<void (std::string)> Warning;
/** Emitted if there is a something wrong the contents of our config. Handler can call