def every(milliseconds, &block)
      Thread.new do
        loop do
          block.call
          sleep(milliseconds/1000.0)
        end
      end
    end
def every(milliseconds, &block)
      Thread.new do
        loop do
          block.call
          sleep(milliseconds/1000.0)
        end
      end
    end
Calls Proc immediately then every milliseconds, async.
 @param milliseconds [Integer][Float] Time to wait before calling the block
 @param block [Proc]