release-1.6.10
Bug fixes in AlcKDTree and WlzStringTypes.
Reworking of WlzGreyTransfer with option for in-place, openmp now used for 3D and any to any grey types allowed.
WlzBackground now has in-place option.
New function to create and object with value table sharing grey values.
The grey values of tiled values may now be shared across value tables.