Prepare release 0.4.4

Prepare release 0.4.3

Prepare release 0.4.2

Prepare release 0.4.1 (codecov#323)

Merge pull request codecov#312 from codecov/release/0.4.0

Release 0.4.0

Create fix branch

Merge pull request codecov#303 from codecov/release/0.3.8

Release 0.3.8

Merge pull request codecov#285 from codecov/bump-to-3.7

Update setup.py

Merge pull request codecov#278 from codecov/release/0.3.4

Update push_flow.yml

prep version bump (codecov#268)