[Changed] Thumbnails are now being updated on S3 by changing the name of the source image with a new timestamp and generate a new thumbnail. Old thumbnails are being deleted. This ensures that there a new, non-cached version of the thumbnail.
[Changed] Code comments and minor code improvements
[Added] Hijacked the ProcessCropImage::executeSave return value to be able to recrop without errors and refresh the page so it gets the new filenames
[Changed] Version bumped to 0.5.5
[Changed] Removed log output messages
[Changed] Refreshing of the parent page is now done without the user clicking on the button.
[Added] Support for multiple image crops prefixes
[Added] Changed addThumb for the non timestamp option
[Changed] Centralised the code for the thumbnails upload to S3 and the deletion of the old also on S3
[Added] Created function for the deletion of files on Amazon S3