lib/FrameUtils.js
function clone (frame) {
  return make(frame.x, frame.y, frame.width, frame.height);
}
function clone (frame) {
  return make(frame.x, frame.y, frame.width, frame.height);
}
function clone ( frame ) { return make ( frame . x , frame . y , frame . width , frame . height ) ; }
Return a cloned frame

@param {Frame} frame
@return {Frame}
Return a cloned frame