Str and repr for classes

[faymanns]

Implemented __str__, __repr__, and __eq__ for BasisFunction, B1, B2, B3, Exponential, CatmullRom, CubicHermite, ExponentialHermite, Spline, and HermiteSpline.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 98.07692% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.49%. Comparing base (5989772) to head (dddba40).

Files with missing lines	Patch %	Lines
src/splinebox/spline_curves.py	92.85%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   98.53%   98.49%   -0.05%     
==========================================
  Files           3        3              
  Lines         478      530      +52     
==========================================
+ Hits          471      522      +51     
- Misses          7        8       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.