Add changelog section for v0.1.10, including added features like --base flag for PR describe,
tests, and changelog for v0.1.9. Update logic for custom base in diffs, adjust messages,
rename queued files to completed, and update README.md queued/completed lists.
Introduces a new CHANGELOG.md file documenting notable changes, including added features like release scripts, grokkit changelog command, git helpers, tests, and TODO/README updates. Also covers changes such as flag adjustments, CI updates, README modifications, task reprioritization, and removal of file backups in favor of Git-based management.
