CXMAN-218: Clean up the node.get_versions() method
CXMAN-218: Clean up the node.get_versions() method

No functional change.

SilverLiningSystems/cxmanage-test2,Cynerva/cxmanage,SilverLiningSystems/cxmanage-test,Cynerva/cxmanage,SilverLiningSystems/cxmanage-test,SLS-Dev/cxmanage,SLS-Dev/cxmanage,SilverLiningSystems/cxmanage-test2