Features
* Allow for multiple schemas (205)
* AutoML capabilities (199)
* Implement the `regr count` SQL operator (193)
* ML model improvement : Added `SHOW MODELS`, `EXPORT MODEL` and `DESCRIBE MODEL` (185, 191)
* Implement the `search` and `sargs` operator (184)
Bugfixes
* Fixes for pandas 1.3.0 (202)
* Fix test fixture order (194)
* Fix a failing build, as ciso8601 is currently not pip-installable (192)