Merge pull request #49 from chrishavlin/release_prep_v032

bump versions, update history

Merge pull request #41 from chrishavlin/release_prep_031

release prep for 0.3.1

Merge pull request #34 from chrishavlin/release_prep_v0pt3pt0

Release prep v0pt3pt0

Merge pull request #29 from chrishavlin/release_prep_v020

0.2.0 release prep

gh release update

Merge pull request #10 from chrishavlin/ci_improvements

Ci improvements