=========== SymPy 0.5.8 =========== 6 Dec 2007 * ``_eval_apply()`` method was renamed to ``canonize()``. * Added var from SAGE. * Added more number theory functions. * Spherical harmonics (Ylm) implemented. * Functions interface simplified (SingleValuedFunction removed, nofargs -> nargs). * Draw negative powers in denominator nicely. * Integration of polynomials is 10x faster. * ``pyglet`` updated to 1.0beta2.