message: exporting GreaterThan and GreaterThanZero
diff: @@ -2,6 +2,8 @@ export * from "./Add";
  export * from "./Abs";
  export * from "./AudioToGain";
  export * from "./GainToAudio";
  +export * from "./GreaterThan";
  +export * from "./GreaterThanZero";
  export * from "./Multiply";
  export * from "./Negate";
  export * from "./Pow";
  