Allow for access to the original image
Merge pull request #19 from craigspaeth/master

Update for breaking mocha/should changes
Merge pull request #20 from craigspaeth/master

lock dev deps
Add bestImageUrl helper for choosing image versions from preferred list
Ignore generated lib/*.js files
Merge pull request #21 from joeyAghion/bestImageUrl

@craigspaeth: choose best imageUrl from among selected versions
Merge pull request #16 from dzucconi/original

Allow for access to the original image
use complete