def start(gui = true)
      if gui
        require 'rtanque/gui'
        window = RTanque::Gui::Window.new(self.match)
        trap(:INT) { window.close }
        window.show
      else
        trap(:INT) { self.match.stop }
        self.match.start
      end
    end
def start(gui = true)
      if gui
        require 'rtanque/gui'
        window = RTanque::Gui::Window.new(self.match)
        trap(:INT) { window.close }
        window.show
      else
        trap(:INT) { self.match.stop }
        self.match.start
      end
    end
Starts the match
 @param [Boolean] gui if false, runs headless match