func NewLocalTunnel(port int) *Tunnel {
	return DefaultClient.NewTunnel("localhost", port)
}
NewLocalTunnel create a tunnel for a server in a given port from localhost using the DefaultClient.
package localtunnel
import (
	"encoding/json"
	"fmt"
	"net"
	"net/http"
	"strconv"
	"sync"
)
type Client struct {
	endPoint string
}
func (c *Client) NewLocalTunnel(port int) *Tunnel {
	return c.NewTunnel("localhost", port)
}
func (c *Client) NewTunnel(host string, port int) *Tunnel {
	return &Tunnel{c: c, localHost: host, localPort: port}
}
func NewClient(url string) *Client {
	return &Client{endPoint: url}
}
var DefaultClient = NewClient("https://localtunnel.me")