Added the RBitmap and WBitmap classes to ptypes.bitmap for dealing with read-only or write-only bitmaps that require performance.
Added the RBitmap and WBitmap classes to ptypes.bitmap for dealing with read-only or write-only bitmaps that require performance.

arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe