Decode width/height from WebP "VP8L" chunks.
Decode width/height from WebP "VP8L" chunks.

drewnoakes/metadata-extractor#150

PaytonGarland/metadata-extractor,Nadahar/metadata-extractor,Nadahar/metadata-extractor,Widen/metadata-extractor,drewnoakes/metadata-extractor,rcketscientist/metadata-extractor