def add_to_config(cls, section, name, value):
        """
        Add a parameter to the shared ConfigParser object.
        
        :param section: parameter's section
        :param name:    parameter's name
        :param value:   parameter's value
        """
        if value:
            if not cls._config.has_section(section):
                cls._config.add_section(section)
            cls._config.set(section, name, str(value))
Add a parameter to the shared ConfigParser object.
        
        :param section: parameter's section
        :param name:    parameter's name
        :param value:   parameter's value