def virtual_host(server)
      @virtual_hosts << server
      @virtual_hosts = @virtual_hosts.sort_by{|s|
        num = 0
        num -= 4 if s[:BindAddress]
        num -= 2 if s[:Port]
        num -= 1 if s[:ServerName]
        num
      }
    end
def virtual_host(server)
      @virtual_hosts << server
      @virtual_hosts = @virtual_hosts.sort_by{|s|
        num = 0
        num -= 4 if s[:BindAddress]
        num -= 2 if s[:Port]
        num -= 1 if s[:ServerName]
        num
      }
    end
Adds +server+ as a virtual host.