catchup() after each reconnect

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (expandurl-mastodon
-         VERSION 0.5.0
+         VERSION 0.5.1
          LANGUAGES CXX
 )
 

src/main.cpp

@@ -65,6 +65,7 @@ int main(int argc, char *argv[])
             cout << "DEBUG: Reestablishing connection...\n";
             listener.stop();
             listener.start();
+            new_messages = listener.catchup();
         }
 
         // Only get new messages if we don't have to catchup