set default lower bound back to zero due to the concern for poly kernel
set default lower bound back to zero
due to the concern for poly kernel


TKlerx/libsvm,G-P-S/libsvm,ChinaQuants/libsvm,androidYibo/libsvm,ntucllab/hintsvm,mhdella/libsvm,toothacher17/libsvm,G-P-S/libsvm,ntucllab/hintsvm,phoenixstar7/libsvm,toothacher17/libsvm,sdgdsffdsfff/libsvm,Adoni/libsvm,toothacher17/libsvm,mhdella/libsvm,Guokr1991/libsvm,G-P-S/libsvm,G-P-S/libsvm,Guokr1991/libsvm,toothacher17/libsvm,phoenixstar7/libsvm,asifmadnan/libsvm,asifmadnan/libsvm,DaveGeneral/libsvm,cjlin1/libsvm,phoenixstar7/libsvm,melissa-mccoy/libsvm,Adoni/libsvm,androidYibo/libsvm,mhdella/libsvm,cypro666/libsvm,toothacher17/libsvm,ntucllab/hintsvm,Maluuba/libsvm,TKlerx/libsvm,caidongyun/libsvm,mhdella/libsvm,Maluuba/libsvm,melissa-mccoy/libsvm,mvtuong/Yelp-Challenge,Guokr1991/libsvm,cypro666/libsvm,ntucllab/hintsvm,TKlerx/libsvm,mvtuong/Yelp-Challenge,DaveGeneral/libsvm,cjlin1/libsvm,sdgdsffdsfff/libsvm,caidongyun/libsvm,phoenixstar7/libsvm,caidongyun/libsvm,caidongyun/libsvm,androidYibo/libsvm,G-P-S/libsvm,cjlin1/libsvm,caidongyun/libsvm,Maluuba/libsvm,ChinaQuants/libsvm,ntucllab/hintsvm,phoenixstar7/libsvm,dejon97/libsvm,toothacher17/libsvm,asifmadnan/libsvm,Guokr1991/libsvm,DaveGeneral/libsvm,Adoni/libsvm,cypro666/libsvm,cjlin1/libsvm,G-P-S/libsvm,asifmadnan/libsvm,mhdella/libsvm,androidYibo/libsvm,Adoni/libsvm,melissa-mccoy/libsvm,DaveGeneral/libsvm,cypro666/libsvm,asifmadnan/libsvm,ChinaQuants/libsvm,ChinaQuants/libsvm,Maluuba/libsvm,androidYibo/libsvm,androidYibo/libsvm,caidongyun/libsvm,dejon97/libsvm,TKlerx/libsvm,dejon97/libsvm,DaveGeneral/libsvm,cypro666/libsvm,sdgdsffdsfff/libsvm,dejon97/libsvm,cypro666/libsvm,mhdella/libsvm,cjlin1/libsvm,sdgdsffdsfff/libsvm,ChinaQuants/libsvm,sdgdsffdsfff/libsvm,sdgdsffdsfff/libsvm,dejon97/libsvm,mvtuong/Yelp-Challenge,melissa-mccoy/libsvm,cjlin1/libsvm,DaveGeneral/libsvm,melissa-mccoy/libsvm,Maluuba/libsvm,phoenixstar7/libsvm,melissa-mccoy/libsvm,TKlerx/libsvm,Maluuba/libsvm,Guokr1991/libsvm,TKlerx/libsvm,ChinaQuants/libsvm,ntucllab/hintsvm,asifmadnan/libsvm,Guokr1991/libsvm,dejon97/libsvm,mvtuong/Yelp-Challenge