v0.6.7

What's Changed

• chore: build python binding by @everpcpc in #223
• fix(driver): support data type Nothing by @everpcpc in #224
• fix(cli): expose error for handle_reader by @everpcpc in #225
• chore: bump version to 0.6.7 by @everpcpc in #227

Full Changelog: v0.6.6...v0.6.7