# File lib/termtter/httppool.rb, line 26
    def self.connection(host, port = 80, ssl = false)
      key = connection_key(host, port)
      http_io = http_class.new(host, port)
      http_io.use_ssl = ssl
      http_io.verify_mode = OpenSSL::SSL::VERIFY_NONE
      @@connections[key] ||= http_io.start
    end