4 * Fix issues: slashes `/` in sheet name 404 error; Discovery malformed sheet error when 2nd row final column value(s) are `NULL`.
7 * Skip sheets for which we fail to generate a schema
10 * Emit state file for incremental sync where bookmark not exceeded.
13 * No change from `v0.0.4`
16 * Add logic to skip empty worksheets in Discovery and Sync mode.
19 * Update README.md documentation. Improved logging and handling of errors and warnings. Better null handling in Discovery and Sync. Fix issues with activate version messages.
22 * Change number json schema to anyOf with multipleOf; skip empty rows; move write_bookmark to end of sync.py