Release v0.20.0

Release v0.19.0

Merge pull request #688 from burke/macos-forking-bug

Fix crashing bug on macOS

Bump version for release, add changelog notes

Add changelog for 0.16 changes

bump version 0.15.14

bump version

v0.15.12 rerelease of v0.15.11

Version 0.15.11

Merge pull request #575 from burke/andrew-bump-version

Bump version to 0.15.10