code: @Test public void blockHelperCanTakeOptionalHashWithSingleQuotedStrings() throws IOException {
    Hash helpers=$("goodbye",new Helper<Object>(){
      @Override public CharSequence apply(    final Object context,    final Options options) throws IOException {
        return "GOODBYE " + options.hash("cruel") + " "+ options.fn(context)+ " "+ options.hash("times")+ " TIMES";
      }
    }
  );
    shouldCompileTo("{{#goodbye cruel='CRUEL' times=12}}world{{/goodbye}}",$,helpers,"GOODBYE CRUEL world 12 TIMES");
  }
  