Oamap

Corrected `__repr__` for recursively nested lists and tuples.

Fix Tuple __repr__ for the case when it's a label.

Force a PyPI revision.

Handle non-Numpy arrays better for simpler examples.

Force revision to PyPI.

Don't complain about dtype mismatch for newly loaded arrays, just convert them.

Exception: bitmask (`-m`) must be `uint8` because if it's not, it's probably not a bitmask and that's an indication of an error.