Update BOT Token during execution

I have included a function to update the Token during execution time so the token can be stored in (for example) the EEPROM and retrieved during setup.

Author: rafaelcbarbosa

src/UniversalTelegramBot.cpp

@@ -40,6 +40,10 @@ UniversalTelegramBot::UniversalTelegramBot(String token, Client &client) {
   this->client = &client;
 }
 
+void UniversalTelegramBot::updateToken(String token) {
+  _token = token;
+}
+
 String UniversalTelegramBot::sendGetToTelegram(String command) {
   String mess = "";
   long now;