the default apiVersion should be 4.9, to allow for multi-device support

[cakirkh]

pingidentity/pingid-api-playground/blob/master/src/main/java/com/pingidentity/developer/pingid/Operation.java

private final String apiVersion = "4.6"
should be
private final String apiVersion = "4.9";

[asafd1]

please create a pull request (you can use a forked repository)

[jeremybcarrier]

Updated default version to 4.9