#11 (Sep 18, 2019, 2:01:09 AM)

1. cleanup FeasCircle (commit: c65c7d4) (details / githubweb)
2. Theta no longer vector var, no substitutions, pictures from tests, general cleanup (commit: 303e950) (details / githubweb)
3. Ignore test images (commit: 11fceca) (details / githubweb)

GitHub pull request #2 of commit 11fceca52b2f18a2d9a5c5bf72571f921c1a8b05, no merge conflicts.