Added commands for duplicate tab
Added commands for duplicate tab

Aleroniponi/vimium,justalittlenoob/vimium,elegantwww/vimium,hhsue/vimium,csmalin/vimium,mrmr1993/vimium,justalittlenoob/vimium,crazypenguincode/vimium,elegantwww/vimium,smblott-github/vimium,PrestanceDesign/vimium,elderbas/vimium,mrmr1993/vimium,tuchangwei/vimium,tuchangwei/vimium,bkudria/vimium,jb55/vimium-plus,poacher2k/vimium,bkudria/vimium,elegantwww/vimium,Robinson10240/vimium,justalittlenoob/vimium,VPashkov/vimium,Lw-Cui/vimium,Lw-Cui/vimium,borgified/vimium,PickRelated/vimium,PrestanceDesign/vimium,csmalin/vimium,Aleroniponi/vimium,dimatter/vimium,dimatter/vimium,willsALMANJ/vimium,cyrixhero/vimium,smblott-github/vimium-smblott,zhangmin510/vimium,hhsue/vimium,elderbas/vimium,philc/vimium,csmalin/vimium,philc/vimium,smblott-github/vimium,cyrixhero/vimium,poacher2k/vimium,PickRelated/vimium,decaffeinate-examples/vimium,smblott-github/vimium-smblott,willsALMANJ/vimium,decaffeinate-examples/vimium,douglas-larocca/vimium,poacher2k/vimium,wildeyes/vimium,mrmr1993/vimium,douglas-larocca/vimium,smblott-github/vimium,crazypenguincode/vimium,Robinson10240/vimium,tuchangwei/vimium,borgified/vimium,jb55/vimium-plus,willsALMANJ/vimium,elderbas/vimium,wildeyes/vimium,Robinson10240/vimium,bkudria/vimium,decaffeinate-examples/vimium,gdh1995/vimium,VPashkov/vimium,borgified/vimium,hhsue/vimium,zhangmin510/vimium,cyrixhero/vimium,VPashkov/vimium,wildeyes/vimium,PrestanceDesign/vimium,Lw-Cui/vimium,gdh1995/vimium,zhangmin510/vimium,Aleroniponi/vimium,PickRelated/vimium,philc/vimium,dimatter/vimium,gdh1995/vimium,douglas-larocca/vimium