Added `openpyxl` as a dependency.
Fixed `openpyxl` version.
Added XLSX export to the tutorial.
Added CLI tests.
Added more export examples to tutorial.
Switched to fewer emails.
Added initial exporter tests.
Cleaned up current CI failures.
Implemented CSV export.
Added .txt as a text format.
Clarified format exceptions.
Added TSV export.
Added missing unit test.
Added CSV/TSV as a text format.
Added XLSX export.
“-text” should be correct for CSV/TSV.
Uncommented a line.
Added CLI tests for export.
Cleaned up requirements and tutorial.
report.* => published.*