Added the ability for the user to adjust the tolerance and angular tolerance of VRML tessellation

[jmwright]

With the KiCAD 3D model generator the generated VRML files were 6MB, which was too large compared to the ~200KB original files. I added the ability for the user to adjust the tolerance and angularTolerance so that I could decrease the file size. I don't think I'll be able to keep the same quality at ~200MB, but I can get vast improvements in file size with these changes.

[codecov]

Codecov Report

Merging #1066 (7d1129f) into master (d7724a8) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 7d1129f differs from pull request most recent head 077c48e. Consider uploading reports for the commit 077c48e to get more accurate results

@@           Coverage Diff           @@
##           master    #1066   +/-   ##
=======================================
  Coverage   96.32%   96.32%           
=======================================
  Files          40       40           
  Lines        9407     9407           
  Branches     1248     1248           
=======================================
  Hits         9061     9061           
  Misses        204      204           
  Partials      142      142           

Impacted Files	Coverage Δ
cadquery/assembly.py	95.04% <100.00%> (ø)
cadquery/occ_impl/assembly.py	97.61% <100.00%> (ø)
cadquery/occ_impl/exporters/assembly.py	100.00% <100.00%> (ø)

📣 Codecov can now indicate which changes are the most critical in Pull Requests. Learn more

[jmwright]

I think this is ready for review now. @adam-urbanczyk and @lorenzncode I requested reviews from you two, but if either of you don't have time to review let me know and I'll request from someone else.

[lorenzncode]

Let's expose tolerance and angular tolerance to Assembly.save as well.

cadquery/cadquery/assembly.py

Line 445 in 2eeabc8

exportVRML(self, path)

exportVRML(self, path, tolerance, angularTolerance)

[jmwright]

@lorenzncode Fixed CI, so I cna merge this now. Thanks for the reviews.