Is there an option for this or can this ever be implemented into the website?
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There is currently no option. It has been somewhat suggest before, but I don't believe it will be implemented anywhere in the near future. By somewhat suggested I mean some ideas have alluded to the ability, or would partially fulfill this ability.
I don't think this will ever be added. Comments were meant to be a very minor feature. Only recently have you even been able to up-vote a comment.