def skip(value = nil)
      option(value) do |options, query|
        val = value.to_i
        options.store(:skip, val)
        query.pipeline.push("$skip" => val) if aggregating?
      end
    end
def skip(value = nil)
      option(value) do |options, query|
        val = value.to_i
        options.store(:skip, val)
        query.pipeline.push("$skip" => val) if aggregating?
      end
    end
Add the number of documents to skip.

 @example Add the number to skip.
   optional.skip(100)

 @param [ Integer ] value The number to skip.

 @return [ Optional ] The cloned optional.

 @since 1.0.0