code: func (mc MongoClient) ValueDescriptorsByName(names []string) ([]contract.ValueDescriptor, error) {
  	vList := make([]contract.ValueDescriptor, 0)
  	for _, name := range names {
  		v, err := mc.ValueDescriptorByName(name)
  		if err != nil && err != db.ErrNotFound {
  			return []contract.ValueDescriptor{}, err
  		}
  		if err == nil {
  			vList = append(vList, v)
  		}
  	}
  
  	return vList, nil
  }
docs: // Return all of the value descriptors based on the names