Part to of pull req opencog/atomspace#473
Part to of pull req opencog/atomspace#473

as requested in opencog/atomspace#385

inflector/opencog,andre-senna/opencog,andre-senna/opencog,inflector/opencog,inflector/opencog,yantrabuddhi/opencog,AmeBel/opencog,andre-senna/opencog,misgeatgit/opencog,shujingke/opencog,inflector/opencog,inflector/opencog,andre-senna/opencog,yantrabuddhi/opencog,misgeatgit/opencog,ruiting/opencog,ruiting/opencog,misgeatgit/opencog,ruiting/opencog,shujingke/opencog,inflector/opencog,misgeatgit/opencog,shujingke/opencog,AmeBel/opencog,ruiting/opencog,AmeBel/opencog,yantrabuddhi/opencog,misgeatgit/opencog,misgeatgit/opencog,shujingke/opencog,inflector/opencog,yantrabuddhi/opencog,andre-senna/opencog,misgeatgit/opencog,andre-senna/opencog,ruiting/opencog,yantrabuddhi/opencog,misgeatgit/opencog,shujingke/opencog,yantrabuddhi/opencog,misgeatgit/opencog,AmeBel/opencog,inflector/opencog,AmeBel/opencog,AmeBel/opencog,AmeBel/opencog,ruiting/opencog,shujingke/opencog,ruiting/opencog,andre-senna/opencog,shujingke/opencog,yantrabuddhi/opencog