v0.8.1

0.8.1 is a patch release, with several bug fixes over 0.8.0. It is a drop-in upgrade for clusters running 0.8.0.

• Fix rendering of UDF errors in docker by @mwylde in #434
• support casting that doesn't change types, for virtual fields. by @jacksonrnewhouse in #436
• Cleanup printlns in schema registry code by @mwylde in #440
• Check logical plan output schemas for supported types by @jacksonrnewhouse in #441
• Fail on queries that use floats as keys by @mwylde in #442
• Reduce the panics in the parquet flusher, add retries to StorageProvider, send flusher failure by @jacksonrnewhouse in #445

Full Changelog: v0.8.0...v0.8.1