Add in astrocyte 0.3.1 test.

Please fill in the appropriate checklist below (delete whatever is not relevant). These are the most common things requested on pull requests (PRs).

PR checklist

• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• CHANGELOG.md is updated

Closes #41

changed milestone to %Version 2.1.0

added documentation enhancment labels

added 1 commit

• 757e0cae - Update changlog for astrocyte support.

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merged

mentioned in commit ce0932d9

Closed #42 (closed)