Fix ref type marshalling, close #91

Author: ba0f3

src/telebot/private/utils.nim

@@ -223,6 +223,8 @@ proc makeRequest*(b: Telebot, `method`: string, data: MultipartData = nil, timeo
 
 proc uploadInputMedia*(p: var MultipartData, m: InputMedia)
 
+proc `$`*[T](k: ref T): string {.inline.} = marshal(k, result)
+
 proc addData*(p: var MultipartData, name: string, content: auto) {.inline.} =
   when content is InputFileOrString:
     if content.startsWith("file://"):

telebot.nimble

@@ -1,4 +1,4 @@
-version       = "2023.08.07"
+version       = "2023.08.20"
 author        = "Huy Doan"
 description   = "Async Telegram Bot API Client"
 license       = "MIT"