Allow ~ operation on Condition object

[elijahbenizzy]

Should be as simple as flipping an inversion flag and changing hte name to have a ~

  @action(reads=["n"], writes=["n", "n_history"])
  def even(state: State) -> Tuple[dict, State]:
      result = {"n": state["n"] // 2}
      return result, state.update(**result).append(n_history=result["n"])

  @action(reads=["n"], writes=["n", "n_history"])
  def odd(state: State) -> Tuple[dict, State]:
      result = {"n": 3 * state["n"] + 1}
      return result, state.update(**result).append(n_history=result["n"])
  is_zero = expr("n == 0")
  is_even = expr("n % 2 == 0")
  application = (
      ApplicationBuilder()
      .with_state(n_history=[])
      .with_actions(
          original=Input("n"),
          even=even,
          odd=odd,
          result=Result("n_history"),
      ).with_transitions(
          (["original", "even", "odd"], "result", is_zero),
          (["original", "even", "odd"], "even", is_even),
          (["original", "even", "odd"], "odd", ~is_even),
      ).with_entrypoint("original")
      .build()
  )
  state, [result] = application.run(until=["result"])
    ```

[elijahbenizzy]

#183