- make zstd block include content size so fiji can actually read it

- add compression level argument
- remove shape argument
- some more pytest tests

tests/test_multiple.py

@@ -12,7 +12,7 @@ def test_mult(tmp_path: Path) -> None:
     shape = (2, 3, 5)
     paths = [tmp_path / f'test{i}.tif' for i in range(6)]
     with ExitStack() as stack:
-        tifs = [stack.enter_context(IJTiffFile(path, shape)) for path in paths]  # noqa
+        tifs = [stack.enter_context(IJTiffFile(path)) for path in paths]  # noqa
         for c, z, t in tqdm(product(range(shape[0]), range(shape[1]), range(shape[2])), total=np.prod(shape)):  # noqa
             for tif in tifs:
                 tif.save(np.random.randint(0, 255, (64, 64)), c, z, t)