Feature
* Changed einsum() to take tensors as flat args instead of list ([`ea492c2`](https://github.com/sorenlassen/einsum-experiment/commit/ea492c289f84f53f75a1c0fc533efa854a202a99))
Fix
* Reject operand with repeated subscript with different shape sizes ([`358d7a7`](https://github.com/sorenlassen/einsum-experiment/commit/358d7a71ff3c66a1e140542b8ae596230da3248d))