v0.2.3

v0.2.3

added

• Added example data and tutorial notebook
• Added unit tests
• Additional documentation
• Detection of time series axis in stacks - will raise a warning if supplied axis in
  stack registration does not correspond to the detected axis

changed

• progress_callback function now gets called with the iteration number, not
  iteration index (iteration number = iteration index + 1)

fixed

• Fixed exception when using a different axis than 0 for registering stacks