Fix for ignore_submodules in older mepo clones

[mathomp4]

This patch release of mepo fixes an issue running mepo commands on older mepo clones made before v1.51.0 when ignore_submodules was added. Mea culpa.

---

From CHANGELOG.md

Fixed

• Fixes to allow mepo to work on older mepo clones that don't have ignore_submodules in their state

---

What's Changed

• Fixes for older mepo clones in re ignore_submodules by @mathomp4 in Fixes for older mepo clones in re ignore_submodules #261

Full Changelog: v1.51.0...v1.51.1

---

This discussion was created from the release Fix for ignore_submodules in older mepo clones.