message: Added comments to GenericParser.h
diff: namespace parser_generic{
  + /*
  + Parses the input stream and returns an object tree or nullptr if the stream could not be parsed
  + */
  Object *parse(std::basic_istream<wchar_t> &input);
  + /*
  + Parses the file pointed to by the path, assuming the specified encoding
  + */
  Object *parse(const std::string &file_path, Encoding file_encoding);
  + /*
  + Parses the file pointed to by the path, assuming UTF-8 encoding
  + */
  Object *parseUTF_8(const std::string &file_path);
  + /*
  + Parses the file pointed to by the path, assuming ISO 8859 15 encoding
  + */
  Object *parseISO_8859_15(const std::string &path);
  }
  