Added WrappedImg to TransformBuilder.visit( RandomAccessibleInterval )
Minor optimization to AbstractArrayLocalizingCursor
Added PlanarPlaneSubsetCursor
Added PlanarPlaneSubsetLocalizingCursor
PlanarImg Subset Cursor optimized for one Plane

PlanarImg now returns PlanarPlaneSubset(Localizing)Cursor when
Interval matches exactly one plane.
Fixes and minor optimizations to PlanarSubsetLocalizingCursor