fix a bug in the filtering algo that causes caching not to happen
fix a bug in the filtering algo that causes caching not to happen

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