added lmap() linear value mapping function
added lmap() linear value mapping function

morbozoo/sonyHeadphones,morbozoo/sonyHeadphones,morbozoo/sonyHeadphones,sosolimited/Cinder,sosolimited/Cinder,sosolimited/Cinder,2666hz/Cinder,2666hz/Cinder,2666hz/Cinder,2666hz/Cinder,sosolimited/Cinder,morbozoo/sonyHeadphones