VRML export

[adam-urbanczyk]

Will resolve #476

[codecov]

Codecov Report

Merging #482 (17ad179) into master (3a50edd) will increase coverage by 0.75%.
The diff coverage is 88.23%.

@@            Coverage Diff             @@
##           master     #482      +/-   ##
==========================================
+ Coverage   93.64%   94.39%   +0.75%     
==========================================
  Files          30       30              
  Lines        5869     7906    +2037     
  Branches      625      972     +347     
==========================================
+ Hits         5496     7463    +1967     
- Misses        234      279      +45     
- Partials      139      164      +25     

Impacted Files	Coverage Δ
cadquery/occ_impl/shapes.py	92.48% <60.00%> (+1.54%)	⬆️
cadquery/occ_impl/exporters/__init__.py	93.06% <100.00%> (+0.36%)	⬆️
tests/test_exporters.py	100.00% <100.00%> (ø)
tests/test_cadquery.py	99.43% <0.00%> (+0.43%)	⬆️
cadquery/occ_impl/geom.py	89.50% <0.00%> (+0.56%)	⬆️
cadquery/cq.py	90.78% <0.00%> (+2.49%)	⬆️

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[adam-urbanczyk]

Given the feedback in #476 I think it is ready for merging @jmwright .

[jmwright]

Looks good @adam-urbanczyk thanks! I'll merge here in a second.