Merge branch 'dev'

Merge branch 'dev'

Update loft triangle test for corrected Triangle body orientation

Merge branch 'dev'

Merge branch 'dev'

Merge branch 'dev'

Merge branch 'dev'

Version 0.4.2

New Features:
- Curve stroking: Convert parametric curves into stroked 2D geometry with curve.stroked(width:alignment:style:)
- Line cap style environment value for controlling stroke end caps
- New lofted() overload that accepts a LayerTransition
- ShapingFunction: Added inverted and mirrored properties

Improvements:
- Raised default miter limit
- Simplified CachedNode API

Clarify that widthAcrossFlats is the incircle diameter

Merge dev for 0.4.0 release