Changes touching this path

• loot-revset: query-algebra crate for selecting sets of changes (#394) cdec28d1 · dbf3dbe6…
• loot-revset stops being a finished parser wired to nothing, because `loot log <revset>` and `loot shortlog` now read one door that tries the historic selector shape FIRST and only parses a non-selector word as an expression — which is what keeps `loot log <change-id>` working, since the crate reads bare words as hex while a change id is the letters k-z, so the grammar was never the strict superset its own docs and this ticket both claimed (#1495) dd223bf0 · dbf3dbe6…diff

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.