0.4.1

Minor refactoring of deepali.core and deepali.utils with a few breaking changes.

• Renamed deepali.core.path to deepali.core.pathlib
  • Moved functions make_temp_dir(), temp_dir(), and temp_file() to deepali.core.tempfile.
• Renamed deepali.core.types to deepali.core.typing.
  • Moved TensorCollections related functions to deepali.core.collections.
• Move deepali.utils.cli modules to deepali.core such as
  • deepali.core.argparse
  • deepali.core.environ
  • deepali.core.logging
• Added deepali.utils.imageio library.
  • If installed, use nibabel to read/write NIfTI images instead of SimpleITK.
  • Support direct streaming of .mha MetaImage files from cloud storage (AWS S3).
  • Keep using SimpleITK for all other image file formats.
• Modified Image.read() and Image.write() methods to use deepali.utils.imageio library.
• Use absolute imports between deepali.* packages, relative imports only within.
• Added software citation using Zenodo.