Revert previous change whereby "+" characters inserted between search terms are not URLencoded.
Revert previous change whereby "+" characters inserted between search
terms are not URLencoded.

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