bug fix -- cant't test for handle validity by looking for a zero value.
bug fix -- cant't test for handle validity by looking for a zero value.

gavrieltal/opencog,andre-senna/opencog,sumitsourabh/opencog,AmeBel/opencog,roselleebarle04/opencog,andre-senna/opencog,rodsol/atomspace,gavrieltal/opencog,prateeksaxena2809/opencog,rodsol/opencog,AmeBel/opencog,AmeBel/opencog,misgeatgit/opencog,kinoc/opencog,anitzkin/opencog,Selameab/opencog,eddiemonroe/opencog,kim135797531/opencog,cosmoharrigan/opencog,ArvinPan/opencog,inflector/atomspace,jswiergo/atomspace,Selameab/opencog,virneo/opencog,kinoc/opencog,andre-senna/opencog,roselleebarle04/opencog,AmeBel/atomspace,cosmoharrigan/atomspace,Tiggels/opencog,AmeBel/atomspace,roselleebarle04/opencog,rohit12/opencog,shujingke/opencog,rTreutlein/atomspace,anitzkin/opencog,inflector/opencog,iAMr00t/opencog,sanuj/opencog,roselleebarle04/opencog,AmeBel/atomspace,williampma/atomspace,MarcosPividori/atomspace,tim777z/opencog,virneo/atomspace,ruiting/opencog,tim777z/opencog,yantrabuddhi/opencog,Selameab/atomspace,TheNameIsNigel/opencog,AmeBel/atomspace,misgeatgit/atomspace,gavrieltal/opencog,Selameab/opencog,jlegendary/opencog,jlegendary/opencog,roselleebarle04/opencog,eddiemonroe/atomspace,jlegendary/opencog,Tiggels/opencog,inflector/atomspace,ceefour/opencog,UIKit0/atomspace,ruiting/opencog,shujingke/opencog,gavrieltal/opencog,kim135797531/opencog,ArvinPan/atomspace,gavrieltal/opencog,eddiemonroe/opencog,rohit12/opencog,cosmoharrigan/opencog,cosmoharrigan/opencog,inflector/opencog,rodsol/opencog,printedheart/atomspace,virneo/atomspace,rodsol/atomspace,yantrabuddhi/opencog,yantrabuddhi/opencog,cosmoharrigan/atomspace,iAMr00t/opencog,yantrabuddhi/atomspace,sumitsourabh/opencog,cosmoharrigan/atomspace,shujingke/opencog,AmeBel/atomspace,rodsol/opencog,virneo/atomspace,rohit12/atomspace,ceefour/atomspace,sumitsourabh/opencog,shujingke/opencog,gaapt/opencog,sumitsourabh/opencog,sumitsourabh/opencog,ArvinPan/opencog,gavrieltal/opencog,virneo/atomspace,ArvinPan/opencog,Selameab/opencog,anitzkin/opencog,yantrabuddhi/opencog,zhaozengguang/opencog,inflector/opencog,Tiggels/opencog,rTreutlein/atomspace,printedheart/atomspace,Selameab/atomspace,gaapt/opencog,inflector/opencog,ceefour/opencog,andre-senna/opencog,UIKit0/atomspace,misgeatgit/atomspace,ceefour/atomspace,Allend575/opencog,jswiergo/atomspace,printedheart/atomspace,Selameab/atomspace,ArvinPan/atomspace,rodsol/opencog,rTreutlein/atomspace,Allend575/opencog,williampma/atomspace,ceefour/atomspace,yantrabuddhi/opencog,cosmoharrigan/opencog,kinoc/opencog,anitzkin/opencog,eddiemonroe/atomspace,ceefour/opencog,rodsol/atomspace,jswiergo/atomspace,andre-senna/opencog,inflector/opencog,shujingke/opencog,inflector/atomspace,williampma/atomspace,rohit12/opencog,gaapt/opencog,zhaozengguang/opencog,inflector/opencog,eddiemonroe/atomspace,prateeksaxena2809/opencog,anitzkin/opencog,williampma/opencog,printedheart/opencog,AmeBel/opencog,Tiggels/opencog,yantrabuddhi/atomspace,eddiemonroe/opencog,prateeksaxena2809/opencog,tim777z/opencog,printedheart/opencog,TheNameIsNigel/opencog,misgeatgit/opencog,rTreutlein/atomspace,tim777z/opencog,eddiemonroe/opencog,kinoc/opencog,iAMr00t/opencog,UIKit0/atomspace,misgeatgit/atomspace,iAMr00t/opencog,yantrabuddhi/atomspace,rohit12/atomspace,virneo/opencog,AmeBel/opencog,Selameab/atomspace,misgeatgit/atomspace,williampma/opencog,misgeatgit/opencog,shujingke/opencog,andre-senna/opencog,prateeksaxena2809/opencog,kinoc/opencog,rohit12/opencog,gavrieltal/opencog,printedheart/opencog,Selameab/opencog,misgeatgit/opencog,gaapt/opencog,cosmoharrigan/atomspace,rodsol/opencog,sanuj/opencog,Allend575/opencog,sanuj/opencog,ruiting/opencog,prateeksaxena2809/opencog,anitzkin/opencog,TheNameIsNigel/opencog,misgeatgit/opencog,rohit12/atomspace,kim135797531/opencog,misgeatgit/opencog,AmeBel/opencog,rTreutlein/atomspace,eddiemonroe/opencog,inflector/atomspace,jswiergo/atomspace,ceefour/opencog,misgeatgit/opencog,ArvinPan/opencog,tim777z/opencog,zhaozengguang/opencog,ruiting/opencog,virneo/opencog,iAMr00t/opencog,anitzkin/opencog,ruiting/opencog,zhaozengguang/opencog,kinoc/opencog,williampma/opencog,virneo/opencog,Allend575/opencog,zhaozengguang/opencog,gaapt/opencog,TheNameIsNigel/opencog,printedheart/atomspace,sanuj/opencog,AmeBel/opencog,zhaozengguang/opencog,jlegendary/opencog,eddiemonroe/atomspace,eddiemonroe/opencog,virneo/opencog,Allend575/opencog,ArvinPan/atomspace,jlegendary/opencog,Tiggels/opencog,jlegendary/opencog,ceefour/atomspace,Allend575/opencog,printedheart/opencog,andre-senna/opencog,iAMr00t/opencog,prateeksaxena2809/opencog,kim135797531/opencog,tim777z/opencog,printedheart/opencog,rodsol/opencog,eddiemonroe/opencog,sanuj/opencog,kim135797531/opencog,MarcosPividori/atomspace,inflector/atomspace,misgeatgit/atomspace,Allend575/opencog,printedheart/opencog,sumitsourabh/opencog,Selameab/opencog,TheNameIsNigel/opencog,kim135797531/opencog,yantrabuddhi/atomspace,inflector/opencog,sanuj/opencog,williampma/opencog,ArvinPan/opencog,UIKit0/atomspace,yantrabuddhi/atomspace,eddiemonroe/atomspace,ceefour/opencog,ceefour/opencog,cosmoharrigan/opencog,ceefour/opencog,misgeatgit/opencog,ArvinPan/atomspace,ruiting/opencog,gaapt/opencog,shujingke/opencog,williampma/opencog,sumitsourabh/opencog,yantrabuddhi/opencog,jlegendary/opencog,ruiting/opencog,prateeksaxena2809/opencog,Tiggels/opencog,williampma/opencog,rohit12/opencog,MarcosPividori/atomspace,virneo/opencog,kinoc/opencog,misgeatgit/opencog,williampma/atomspace,rohit12/opencog,yantrabuddhi/opencog,ArvinPan/opencog,roselleebarle04/opencog,MarcosPividori/atomspace,roselleebarle04/opencog,cosmoharrigan/opencog,gaapt/opencog,inflector/opencog,rodsol/atomspace,rohit12/atomspace,virneo/opencog,TheNameIsNigel/opencog,kim135797531/opencog