Add current version of NFFG merging function to NFFGToolBox
Add current version of NFFG merging function to NFFGToolBox

hsnlab/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,hsnlab/escape,hsnlab/escape,5GExchange/escape,hsnlab/escape,hsnlab/escape,hsnlab/escape