v0.4.0

Now uses a slightly-improved cost model which should result in a marginal
increase in placement quality.

v0.3.4

Bugfix release: Fixes packaging such that the source distribution now contains
all files required to build the library.

v0.3.3

This release includes (experimental) pre-compiled binary wheels for Windows and
OS X.

v0.3.2

* Improved performance for placement in torus topologies by approx 1.7x
* Removes accidental printf in previous release...

v0.3.1

* Adds __version__ to package.
* Renames internal FFI module from _sa to _rig_c_sa to help avoid name
  collisions.

v0.3.0

First verified Windows-compatible release.

v0.2.2

Another Windows compatibility patch.

v0.2.1

Fix C89 compatibilty for Windows.

v0.2.0

Add Windows support.

Breaking API change: sa_set_chip_resource -> sa_set_chip_resources.

v0.1.2

This release switches to a more stable online variance calculation.