add ability for get channel ID

[rexya2017]

Hello master, please add ability for checking channel ID, for admin of bot, because sometime if you host bot like 10 or 15 on 1 server, then useing path for channel, the bot will not join to Specific path, it's will be stuck on root channel. After i used channel ID the bot will run normaly. for now to get the channel ID is to read tt5srv.xml or run ttCom, if TTMediaBot has the ability to check channel ID this will be very easy. Thank you. :)