Provide simple yaml parser for load and map unconstrained yaml configuration files to standard Java objects

    PlainYamlObject pyo = new PlainYamlObject("map:\n" +
                                              "  list:\n" +
                                              "    - foo\n" +
                                              "    - bar\n");
    Map rootMap = pyo.asMap().get();
    Map map = pyo.asMap("map").get();
    List list = pyo.asList("map/list").get();