Add size hash with width and height keys to return object.
Added CHANGELOG, added engineOpts support, and upgraded gmsmith
Release 0.8.0
Added gittip badge
Merge remote-tracking branch 'origin/master' into dev/update.json2css
Renamed size to properties and added test against empty properties
Added documentation about `properties` property on result
Updated README
Release 0.9.0
Cleaning up content file
Added padding tests but not yet implemented
Added expected files for padding tests
Added padding option first draft
Fixed up code and asserting coordinates successfully
Copied expected padding sprite and all tests passing =D
Added documentation for padding
Release 0.10.0
Removing trailing padding from padded spritesheets
Updated expected files to echo optimized width and height for padded spritesheets
Updated CHANGELOG