message: removing "lookAhead" from Clock
diff: @@ -91,7 +91,6 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal", "Tone/core/TimelineState
  Tone.Clock.defaults = {
  "callback" : Tone.noOp,
  "frequency" : 1,
  - "lookAhead" : "auto",
  };
  /**
  @@ -110,7 +109,7 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal", "Tone/core/TimelineState
  /**
  * Start the clock at the given time. Optionally pass in an offset
  * of where to start the tick counter from.
  - * @param {Time} time The time the clock should start
  + * @param {Time=} time The time the clock should start
  * @param {Ticks=} offset Where the tick counter starts counting from.
  * @return {Tone.Clock} this
  */
  