Fix self-intersection resolution on a single bezier curve
Simplify path filtering code in tracePaths() a bit, and improve documentation.
Merge branch 'refs/heads/bool-cleanup'
Fix SVG issues with reflected control points in the commands 'SsTt'

Relates to issue #413
Better handle Path#moveTo() / #closePath() edge cases in SVG data.

Relates to issue #413
Minor clean-up in the way Base.exports are handled.
Optimize and fix code that draws selections and handles.
Merge branch 'refs/heads/master' into apply-matrix
Move Project#options to PaperScope#settings and define reasonable defaults.
Define settings.applyMatrix and inherit at Item creation time.