qutip/qutip — pull request #241 by cgranade (2014-09-27 19:08:06+00:00)
Title: Add operator-ket and operator-bra support to super_tensor.

See #238 for more details, but this extends ``_permute`` and ``super_tensor`` to act correctly on ``operator-ket`` as well as ``super, superrep="super"``.