- set dtype according to pixel type in file

- cziread bugfix
- add reader for broken files saved by Fiji
- make ndread work for arrays with less dimensions than 5
- relative imports
- remove some old functions
- make bfread check if it can open the file

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ndbioimage"
-version = "2023.7.3"
+version = "2023.7.4"
 description = "Bio image reading, metadata and some affine registration."
 authors = ["W. Pomp <w.pomp@nki.nl>"]
 license = "GPLv3"