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Similar todos
limit to one vote per user and exlude author #thinkcap
allow only one vote user voter per idea #thinkcap
allow user to only upvote once 
#plato
prevent duplicates votes 
#wip
setup voting for comments 
#shouldimakethis
add one vote limit for 1 ip to block spam voters 
#nomoregoogle
add voting 
#captioncat
voting mechanism for 
#com
limit number of followers/upvoters shown #wip
add user voting 
#colourhunt
setup voting for comments'
fix double vote bug 
#sparkjoy