Finds a particular wizard plugin based on its name.
        
        :param      name | <str> || None

def find( cls, name ):
        """
        Finds a particular wizard plugin based on its name.
        
        :param      name | <str> || None
        """
        if ( cls._plugins is None ):
            cls._plugins = {}
            
        return cls._plugins.get(nativestring(name))