Merge pull request #262 from marekhrabe/master

Added lossless option for saving webp
bump to v3.2.1-dev
Fix bounds computation when the padding is entirely due to effects and not to masking
Merge pull request #264 from adobe-photoshop/iwehrman/assets-issue-259

Fix bounds computation when the padding is entirely due to effects and not to masking
Added getPathData flag to getDocumentInfo
force getDocumentInfo flags to be booleans; comment cleanup
bump to 3.3.0-dev
fix whitespace