sindresorhus/gulp-imagemin — pull request #9 by holic (2014-02-04 07:36:36+00:00)
Title: Case-insensitive file extensions

Files with cased extensions (e.g. `.JPG`) are skipped, but work just fine in [image-min](https://github.com/kevva/image-min/blob/master/index.js#L80) itself. This pull allow those files to be optimized.