Update changelog, use std::exit instead of exit

Changelog.md

@@ -4,6 +4,8 @@
 - ADDED more meaningful shutdown messages
 - ADDED even better backend connection error reporting
 - ADDED `SendErrors` config in `ServerConfig.toml` to opt-out of error reporting
+- ADDED hard-shutdown if Ctrl+C pressed 3 times
+- FIXED issue with shells like bash being unusable after server exit
 
 # v2.3.1
 

src/Common.cpp

@@ -30,7 +30,7 @@ void Application::GracefullyShutdown() {
         // hard shutdown at 2 additional tries
         if (ShutdownAttempts == 2) {
             info("hard shutdown forced by multiple shutdown requests");
-            exit(0);
+            std::exit(0);
         }
         info("already shutting down!");
         return;