module Iodine::Rack

def self.run(app, options = {})

Runs a Rack app, as par the Rack handler requirements. 
def self.run(app, options = {})
  Rage::CLI.new([], { port: options[:Port], binding: options[:Host], environment: options[:environment] }).server
  true
end

def self.shutdown

patches an assumption by Rack, issue #98 code donated by @Shelvak (Néstor Coppi) 
def self.shutdown
  Iodine.stop
end