Added max connections configuration option to SetWebHook

bot.go

@@ -409,15 +409,22 @@ func (bot *BotAPI) RemoveWebhook() (APIResponse, error) {
 // If you do not have a legitimate TLS certificate, you need to include
 // your self signed certificate with the config.
 func (bot *BotAPI) SetWebhook(config WebhookConfig) (APIResponse, error) {
+
 	if config.Certificate == nil {
 		v := url.Values{}
 		v.Add("url", config.URL.String())
+		if config.MaxConnections != 0 {
+			v.Add("max_connections", strconv.Itoa(config.MaxConnections))
+		}
 
 		return bot.MakeRequest("setWebhook", v)
 	}
 
 	params := make(map[string]string)
 	params["url"] = config.URL.String()
+	if config.MaxConnections != 0 {
+		params["max_connections"] = strconv.Itoa(config.MaxConnections)
+	}
 
 	resp, err := bot.UploadFile("setWebhook", params, "certificate", config.Certificate)
 	if err != nil {

configs.go

@@ -770,6 +770,7 @@ type UpdateConfig struct {
 type WebhookConfig struct {
 	URL         *url.URL
 	Certificate interface{}
+	MaxConnections int
 }
 
 // FileBytes contains information about a set of bytes to upload

helpers.go

@@ -318,6 +318,21 @@ func NewWebhookWithCert(link string, file interface{}) WebhookConfig {
 	}
 }
 
+// NewWebhookWithCert creates a new webhook with a certificate and max_connections.
+//
+// link is the url you wish to get webhooks,
+// file contains a string to a file, FileReader, or FileBytes.
+// maxConnections defines maximum number of connections from telegram to your server
+func NewWebhookWithCertAndMaxConnections(link string, file interface{}, maxConnections int) WebhookConfig {
+	u, _ := url.Parse(link)
+
+	return WebhookConfig{
+		URL:         u,
+		Certificate: file,
+		MaxConnections: maxConnections,
+	}
+}
+
 // NewInlineQueryResultArticle creates a new inline query article.
 func NewInlineQueryResultArticle(id, title, messageText string) InlineQueryResultArticle {
 	return InlineQueryResultArticle{