v0.9.0

What's Changed

• feat(notebook): export the .py module only on an explicit action, never on a save by @fbereilh in #101
• feat(export): read nbdev's #| export directive and resolve #|default_exp through lib_path by @fbereilh in #102
• fix(notebook): a new .ipynb is a valid notebook the moment it exists by @fbereilh in #104
• fix(export): keep fastcore @patch methods out of the generated __all__ by @fbereilh in #103
• feat(notebook): surface Consolidate imports as a notebook toolbar button by @fbereilh in #105
• fix(databricks): read a probe result once stdout has drained, not at exit by @fbereilh in #106
• fix(cells): carry a cell's whole cellar namespace through cut/copy/paste by @fbereilh in #107
• feat(chat): add a learning mode to chat cells by @fbereilh in #108

Full Changelog: v0.8.1...v0.9.0