Upgrade to transport v1.3.0

dub.selections.json

@@ -5,7 +5,7 @@
 		"dxml": "0.4.4",
 		"handy-http-data": "1.2.0",
 		"handy-http-primitives": "1.6.0",
-		"handy-http-transport": "1.2.1",
+		"handy-http-transport": "1.3.0",
 		"handy-http-websockets": "1.1.1",
 		"mir-algorithm": "3.22.4",
 		"mir-core": "1.7.3",

source/handy_http_starter/package.d

@@ -13,7 +13,7 @@ public import handy_http_websockets;
  *   port = The port to host the server on. Defaults to 8080.
  */
 void startServer(HttpRequestHandler handler, ushort port = 8080) {
-    HttpTransport tp = new Http1Transport(handler, port);
+    HttpTransport tp = new TaskPoolHttp1Transport(handler, port);
     tp.start();
 }