polys: Dropped support for SymPy ground types
polys: Construct FracElement from (numer, denom) tuple
polys: Move DefaultPrinting before dict in PolyElement's bases
polys: Moved old PolynomialRing and FractionField to old_* files
polys: Don't allow to sympify DMP, DMF, ANP
polys: Allow compare PolyElement with ground PolyElement
polys: Better error handling of missing or wrong generators in PolyRing
polys: Allow op(FracElement over a ring, element of a field)
polys: FracElement.from_expr() handle S(3,7)*x case over ZZ
polys: Use is_FiniteField instead of has_CharacteristicZero
polys: GeneratorsNeeded is a subclass of GeneratorsError
polys: Fixed a test in test_euclidtools.py
polys: Rename PolynomialRingNG to PolynomialRing
polys: Handle PolyElement and FracElement in convert()
polys: Give type information in exceptions from Domain.convert()
polys: Added support for FracElement.from_expr(Rational(p, q))
polys: Compare symbols instead of ngens when comparing rings
polys: FracElement ops with PolyElement from field's associated ring
polys: Added PolyElement.is_monomial and added tests for is_* methods