ANN: QuTiP 3.0.1 release

[Robert Johansson]

We have released QuTiP 3.0.1, a minor bug-fix update of 3.0.0.

Big thanks to Nikolas Tezak, Hugo Flayac, Peter G, Sudhanva Lalit, Jean-Luc Orgiazzi, and Neill Lambert for

reporting bugs and installation issues with the recent 3.0.0 release.

Bug Fixes

* Fix bug in create(), which returned a Qobj with CSC data instead of CSR.

* Fix several bugs in mcsolve: Incorrect storing of collapse times and collapse operator records. Incorrect averaging of expectation values for different trajectories when using only 1 CPU.

* Fix bug in parsing of time-dependent Hamiltonian/collapse operator arguments that occured when the args argument is not a dictionary.

* Fix bug in internal _version2int function that cause a failure when parsing the version number of the Cython package.