Final shape / free func tweaks

[adam-urbanczyk]

• sample
• isoline
• detailed check output
• expose API in func: from cadquery.func import *
• tests

[codecov]

Codecov Report

Attention: Patch coverage is 96.49123% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.31%. Comparing base (6b3b14a) to head (86e11d8).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
cadquery/occ_impl/shapes.py	96.15%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1731      +/-   ##
==========================================
- Coverage   95.32%   95.31%   -0.02%     
==========================================
  Files          27       28       +1     
  Lines        6788     6888     +100     
  Branches     1013     1044      +31     
==========================================
+ Hits         6471     6565      +94     
- Misses        193      195       +2     
- Partials      124      128       +4     

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[lorenzncode]

I like the new free func import method!

[jmwright]

Isn't this supposed to be "returns" in this context?

[adam-urbanczyk]

According to the docs :return: https://sphinx-rtd-tutorial.readthedocs.io/en/latest/docstrings.html

[jmwright]

Thanks @adam-urbanczyk !