Initial commit of AdlerData class.

[astronomerritt]

Fixes #53.

• Created the AdlerData class, which will store all calculated AdlerData values.
• AdlerPlanetoid now creates an instance of the AdlerData class as a class attribute on initialisation
• Wrote a method, AdlerData.populate_phase_parameters(), which should allow for easy population.
• Wrote a unit test.

Fixes #68.

• Changed instances of sys.exit() to raise Exception() instead.

Fixes #67:

• num_obs has been added to the Observations object.

Fixes #63.

• Fixed a typo.

Fixes #64.

• Removed unnecessary .to_table() call.

Review Checklist for Source Code Changes

• Does pip install still work?
• Have you written a unit test for any new functions?
• Do all the units tests run successfully?
• Does adler run successfully on a test set of input files/databases?
• Have you used black on the files you have updated to confirm python programming style guide enforcement?

[astronomerritt]

Updated to make recommended changes.

[astronomerritt]

...and forgot to push. Done now.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 87.27273% with 7 lines in your changes are missing coverage. Please review.

Project coverage is 72.46%. Comparing base (1b9e784) to head (3d8620f).
Report is 3 commits behind head on main.

Files	Patch %	Lines
src/adler/dataclasses/AdlerData.py	87.27%	7 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff            @@
##           main      #65       +/-   ##
=========================================
+ Coverage      0   72.46%   +72.46%     
=========================================
  Files         0        3        +3     
  Lines         0       69       +69     
=========================================
+ Hits          0       50       +50     
- Misses        0       19       +19     

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[mschwamb]

instead of phase_parameter1 and phase_parameter2 what about

phase_parameters= [[parameter1,parameter2], [parameter1],] if we happen to be running multiple models.

[astronomerritt]

I was trying to avoid too many nested lists - this would mean that phase_parameter is nested three times, for filter, model and then parameter. I will still do this if you think it's best, but I worry about maintainability when someone who isn't me has to read the code.

[mschwamb]

phase_parameter_err is a variable twice

[mschwamb]

Fair enough,but is nested better than having nulls or empty arrays when you don't have a parameter2 for 1 model?

[astronomerritt]

Mistake in the docstring only, they're separate in the function. Correcting.

[astronomerritt]

Fair enough,but is nested better than having nulls or empty arrays when you don't have a parameter2 for 1 model?

Point taken. I can make this change, one second.

[astronomerritt]

Done. In retrospect, now I've made the change I prefer it...

[mschwamb]

Looks good to me