def find(uri)
      _try_variations_of(uri) do |path|
        content= get path
        return [content] unless content.nil?
      end unless uri.nil?
      []
    end
def find(uri)
      _try_variations_of(uri) do |path|
        content= get path
        return [content] unless content.nil?
      end unless uri.nil?
      []
    end
Find isn't fuzzy for Special Content. It looks for full
 uri or the uri's basename, optionally tacking on @ext