def get_object(id)
      return nil unless (blob = find_blob(id)) && (obj = blob.read_object(id))
      deserialize(obj)
    end
def get_object(id)
      return nil unless (blob = find_blob(id)) && (obj = blob.read_object(id))
      deserialize(obj)
    end
Load the given object from the filesystem.
 @param id [Integer] object ID
 @return [Hash] Object as defined by PEROBS::ObjectBase or nil if ID does
         not exist