More db-lib ok/err wrapping

Some misc changes that don't really belong with anything else are bundled here
Those changes aren't actually very important however

rtc-server/src/main.rs

@@ -76,7 +76,7 @@ async fn handle_connections(stream: TcpStream, peermap: PeerMap) {
             _ => None
         };
 
-        println!("{:?}", request.headers());
+        println!("[DEBUG] Incoming headers {:?}", request.headers());
         let entry = request.headers()
             .iter().find(|(name, _)| name.as_str() == "jwt");