Fixed to not call test_stub_bindlink with None atom
Fixed to not call test_stub_bindlink with None atom

misgeatgit/atomspace,inflector/atomspace,inflector/atomspace,ceefour/atomspace,ceefour/atomspace,ArvinPan/atomspace,inflector/atomspace,ceefour/atomspace,ArvinPan/atomspace,inflector/atomspace,yantrabuddhi/atomspace,misgeatgit/atomspace,AmeBel/atomspace,rTreutlein/atomspace,AmeBel/atomspace,yantrabuddhi/atomspace,inflector/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,AmeBel/atomspace,yantrabuddhi/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,AmeBel/atomspace,ceefour/atomspace,yantrabuddhi/atomspace,misgeatgit/atomspace,yantrabuddhi/atomspace,AmeBel/atomspace,rTreutlein/atomspace,ArvinPan/atomspace,misgeatgit/atomspace,ArvinPan/atomspace