bump version

optimize String usage (less malloc / realloc)
remove double debug line

library.properties

@@ -1,5 +1,5 @@
 name=WebSockets
-version=1.0
+version=1.1
 author=Markus Sattler
 maintainer=Markus Sattler 
 sentence=WebSockets for Arduino (Server + Client)

src/WebSocketsClient.cpp

@@ -272,33 +272,22 @@ void WebSocketsClient::sendHeader(WSclient_t * client) {
 
     unsigned long start = micros();
 
-    //todo use tcp.write only once
-
-    client->tcp.write("GET ");
-    client->tcp.write(client->cUrl.c_str(), client->cUrl.length());
-    client->tcp.write(" HTTP/1.1\r\n"
-            "Host: ");
-
-    client->tcp.write(_host.c_str(), _host.length());
-    client->tcp.write("\r\n"
-            "Upgrade: websocket\r\n"
-            "Connection: Upgrade\r\n"
-            "User-Agent: arduino-WebSocket-Client\r\n"
-            "Sec-WebSocket-Version: 13\r\n"
-            "Sec-WebSocket-Protocol: arduino\r\n" // todo add api to set Protocol of Server
-            "Sec-WebSocket-Key: ");
-
-    client->tcp.write(client->cKey.c_str(), client->cKey.length());
-    client->tcp.write("\r\n");
+    String handshake =  "GET " + client->cUrl + " HTTP/1.1\r\n"
+                        "Host: " + _host + "\r\n"
+                        "Upgrade: websocket\r\n"
+                        "Connection: Upgrade\r\n"
+                        "User-Agent: arduino-WebSocket-Client\r\n"
+                        "Sec-WebSocket-Version: 13\r\n"
+                        "Sec-WebSocket-Protocol: arduino\r\n"
+                        "Sec-WebSocket-Key: " + client->cKey + "\r\n";
 
     if(client->cExtensions.length() > 0) {
-        client->tcp.write("Sec-WebSocket-Extensions: ");
-        client->tcp.write(client->cExtensions.c_str(), client->cExtensions.length());
-        client->tcp.write("\r\n");
+        handshake += "Sec-WebSocket-Extensions: " + client->cExtensions + "\r\n";
     }
 
-    // Header end wait for Server response
-    client->tcp.write("\r\n");
+    handshake += "\r\n";
+
+    client->tcp.write(handshake.c_str(), handshake.length());
 
     DEBUG_WEBSOCKETS("[WS-Client][sendHeader] sending header... Done (%uus).\n", (micros() - start));