The category of graded bialgebras with a distinguished basis

EXAMPLES:

sage: C = GradedBialgebrasWithBasis(QQ); C
Join of Category of ...
sage: sorted(C.super_categories(), key=str)
[Category of bialgebras over Rational Field,
Category of coalgebras with basis over Rational Field,
Category of graded algebras with basis over Rational Field]


TESTS:

sage: TestSuite(C).run()