- start some color(map) support in python

- compress_frame function in python for backwards compatibility
- save all extra tags in a single hashmap
- construct tags from references
- store frames by c, z, t
- save px_size in tiff
- some getters and setters in py.rs

pyproject.toml

@@ -12,7 +12,7 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
-dependencies = ["numpy", "tqdm"]
+dependencies = ["colorcet", "matplotlib", "numpy", "tqdm"]
 
 [project.optional-dependencies]
 test = ["pytest"]