Add a Blob implementation for slices
Add a Blob implementation for slices

JohnColanduoni/gfx,bvssvni/gfx-rs,ColinKinloch/gfx,alexcrichton/gfx,JohnColanduoni/gfx,gfx-rs/gfx-rs,tempbottle/gfx,tanderegg/gfx,ColinKinloch/gfx,Bastacyclop/gfx,red75prime/gfx,tanderegg/gfx,davll/gfx,aepsil0n/gfx-rs,mitchmindtree/gfx-rs,sectopod/gfx-rs