def tag_list=(names)
      self.tags = names.split(",").map do |n|
        SimpleTags::Tag.where(name: n.strip).first_or_create!
      end
    end
def tag_list=(names)
      self.tags = names.split(",").map do |n|
        SimpleTags::Tag.where(name: n.strip).first_or_create!
      end
    end
Public: Sets the model tags
 `names` must be a list of tag names, separated by commas