Added polarTransform(), applyDBlurX/Y(), and applyThreshold(). Added support for edgeMode="wrap" (aka "tile") in boxBlur().
Added polarTransform(), applyDBlurX/Y(), and applyThreshold().
Added support for edgeMode="wrap" (aka "tile") in boxBlur().

nightjuggler/pig,nightjuggler/pig,nightjuggler/pig