Helper function for determining what the clusters/chains/other collections are.

def get_collections(self):
        """Helper function for determining what the clusters/chains/other collections are."""
        if not self.quiet:
            print
            print "Finding " + self.current_collection_type + "s..."

        self.compute_collections()

        if not self.quiet:
            print self.current_similarity_measure, self.current_collection_type, "information:"
            table_contents = [("Collection","Indices","Size")]
            for (i, j, k) in zip(self.collection_indices,self.collection_sizes,self.collection_list):
                table_contents.append(([unit.text for unit in k], i, j))
            print_table(table_contents)