handlebars not escape `'` character

[TranVanTinhUIT]

Describe the bug

handlebars not escape ' character

Expected behavior:

I think that result is '.

Test to reproduce

[TestMethod]
public void Escape_Test()
{
    var handlebars = Handlebars.Create();
    var render = handlebars.Compile("{{input}}");
    object data = new { input = "test'1" };

    var actual = render(data);
    Assert.Equal("test'1", actual);
}