code: def getElementConf(self, elementKw, raw=False):
          
          if raw is True:
              try:
                  econf = self.all_elements.get(elementKw.upper())
              except:
                  return {}
          else:
              try:
                  econf = list(self.all_elements.get(elementKw.upper()).values())[0]
              except:
                  return {}
          return econf
docs: return configuration for given element keyword,
              e.g. getElementConf('Q01') should return dict: {u'k1': 0.0, u'l': 0.05}
              :param elementKw: element keyword