bug fix: don't use NULL for a Handle value!
bug fix: don't use NULL for a Handle value!

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