v2.3.0

What's Changed

• fix tests on travis by @andrewpurcell in #110
• Clear submitted slices during BufferedConsumer#flush by @andrewpurcell in #111
• Groups analytics support by @jsuarezb in #114
• use millisecond precision for time properties by @jaredmixpanel in #117

New Contributors

• @andrewpurcell made their first contribution in #110
• @jsuarezb made their first contribution in #114
• @jaredmixpanel made their first contribution in #117

Full Changelog: v2.1.0...v2.3.0