Re-factor out layer walking
Add code to find bounds extended by strokeWidth
Merge pull request #180 from adobe-photoshop/jp/bounds

Re-write bounds computation to include stroke widths.
Add document ID to getSVG()  (Fixes #58)
Reorder params to getSVG to make it match getPixmap
Do URI decoding in getSVG function, so getSVG just returns a promise
that evaluates to an SVG string
Merge pull request #181 from adobe-photoshop/jp/docID

Support docID in getLayerSVG (fixes #58)
Merge remote-tracking branch 'origin/master' into ps-next