Cleanup

[BradyAJohnston]

General cleanup and improvements for consistency in code usage.

• bob.object.data -> bob.data
• chore: typos and consistency

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.76%. Comparing base (ae7de09) to head (bdfe409).
⚠️ Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
databpy/material.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #58      +/-   ##
==========================================
+ Coverage   87.50%   89.76%   +2.26%     
==========================================
  Files          13       13              
  Lines         752      782      +30     
==========================================
+ Hits          658      702      +44     
+ Misses         94       80      -14     

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