Saving the optimizer state

Now possible via optimizer.save().

Added Python 3.9 + 3.10 compatibility

SAMMO should now run on Python 3.9 and 3.10 as parts of asyncio have been backported.

0.1.6: Better embeddings

Embeddings are now cached via a SQLite database on an instance basis. This avoids having to call endpoints repeatedly if batch ordering differs.

0.1.4: New tutorial

Merge pull request #27 from microsoft/dev/t-schn/new-tutorial

New tutorial

0.1.3

Refactoring and smaller bug fixes

0.1.0.6

No API changes

0.1.0.5

This release does not change API or functionality. Some test and build dependencies have been removed.