v0.2.0, 2015-01-15 -- Initial release.
v0.2.1, 2015-01-15 -- Fix numpy version requirement in setup
v0.2.2, 2015-01-15 -- Fix test to reference openmatrix instead of omx
v0.2.3, 2015-02-20 -- Bug fixes and lots more tests
v0.3.3, 2017-03-07 -- Python 3 compatible
v0.3.4, 2018-04-05 -- Fix incorrect version being saved


