v0.1.7

What's Changed

• Support for new list namespaces API via tpuf.namespaces()
• New metadata access functions on namespaces: ns.exists(), ns.dimensions(), ns.approx_count()
• Fix for incorrectly handled positional arguments: ns.upsert(ids, vectors) vs ns.upsert(ids=ids, vectors=vectors)
• Improved request retry logic to use exponential falloff.

Full Changelog: 0.1.6...0.1.7