Track a dynamic attribute when listing groups.
Track a dynamic attribute when listing groups.

The 5.9 release will include an additional attribute in the
AssetGroupListingResponse. Turn this into a boolean to indicate whether
a group is static or dynamic.

jhart-r7/nexpose-client,tomhart-r7/nexpose-client,gschneider-r7/nexpose-client,nbirnel/nexpose-client,rapid7/nexpose-client