Add visitor to initialize value in multi_type_seq
Add visitor to initialize value in multi_type_seq

It a visitor to set a value of a certain position of multi_type_seq to
its default value (0 for contin_t, "" for string, etc).

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