Smoothing Angle value for Normal Computing.

Please add a Smoothing Angle value for Normal Generation on Meshes. A simple slider to the Mesh Settings that would allow the normals to be calculated at any Angle instead of the default 90. If that’s impractical for whatever reason, how about a flatten option that will just get rid of any smoothing?

This would be extremely useful when dealing with lighting issues, also it would be generally useful for improving smoothing for particular meshes.