Image resize issues with zero width or height

[vnykmshr]

1. Attempt resizing an image with { width: xx, height: 0} [Error: width or height exceeds limit `' @ error/jpeg.c/WriteJPEGImage/1744]
2. Attempt resizing an image with {width: 0, height: xx}
   • works fine for larger images
   • returns original image when attempted to resize http://s16.postimage.org/d50mc7bhx/suit7.jpg

[qzaidi]

fixed in 0.3