r23

• Add Stab function.
• Now uses core.resize where applicable.
• Now uses simple rounding when invoking the Resize wrapper.
• srestore: Remove unnecessary invoking of std.Cache.
• YAHR: Add the blur and depth parameters.
• DeHalo_alpha, LSFmod: Remove the noring parameter.
• ContraSharpening: Add the radius and rep parameters.
• InterFrame: Remove the invoking of std.Cache. The cache issue has been fixed in VS R32.
• HQDeringmod: Process the ring mask in the original color family. It's more convenient for interleaving with the source to tune the mask when show=True.
• KNLMeansCL: Use color distance to process chroma planes. The quality is better than processing each chroma plane using gray intensities.
• logoNR: Use KNLMeansCL instead of Bilateral+FluxSmooth for smoothing.
• Overlay: Process in formats without subsampling to avoid messed result.
• QTGMC: The TFF parameter is not required for InputType=1.