Store Bot::_eventBroadcaster in unique ptr. Fixes #131.
Store Bot::_eventBroadcaster in unique ptr. Fixes #131.

JellyBrick/tgbot-cpp,reo7sp/tgbot-cpp,JellyBrick/tgbot-cpp,reo7sp/tgbot-cpp,reo7sp/tgbot-cpp,JellyBrick/tgbot-cpp