v0.3.5

Changelog

• Support hashing the folded_tensor.length field (via a UserList), which is convenient for caching
• Improve error messaging when refolding with missing dims

What's Changed

• Drop codecov by @percevalw in #10
• feat: hashable lengths by @percevalw in #12
• Improve missing dim error by @percevalw in #13

Full Changelog: v0.3.4...v0.3.5