add a utility function
add a utility function

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