return the configuration of kw, dict

        USAGE: rdict = getKwConfig(kw)

def getKwConfig(self, kw):
        """ return the configuration of kw, dict

        USAGE: rdict = getKwConfig(kw)
        """
        confd = self.getKwAsDict(kw).values()[0].values()[0]
        return {k.lower(): v for k, v in confd.items()}