Add build system requirements, more dependencies and make exdf.cli a package

pyproject.toml

+[build-system]
+requires = ["cython", "numpy", "setuptools", "wheel"]
\ No newline at end of file

setup.py

@@ -50,12 +50,13 @@ setup(
 
     python_requires='>=3.8',
     install_requires=[
+        'packaging',
         'h5py',
         'extra_data',
     ],
     extras_require={
         'glance': ['uniplot'],
-        'test': ['pytest',],
+        'test': ['pytest'],
     },
 
     classifiers=[