Added examples for a simple WebSocket client and Server.

Removed automatic ping pong response, and disconnection from fr::WebSocket, as it should be handled by the library user, really.

Updated ReadMe.

examples/simple_http_server_and_client/SimpleHttpServer.cpp

@@ -0,0 +1,52 @@
+//
+// Created by fred.nicolson on 01/02/18.
+//
+
+#include <frnetlib/HttpRequest.h>
+#include <frnetlib/HttpResponse.h>
+#include <frnetlib/TcpListener.h>
+#include <iostream>
+
+int main()
+{
+    fr::Socket::Status  err;
+    fr::TcpSocket client;
+    fr::TcpListener listener;
+
+    //Bind to a port
+    if((err = listener.listen("8081")) != fr::Socket::Success)
+    {
+        std::cerr << "Failed to bind to port: " << err << std::endl;
+        return EXIT_FAILURE;
+    }
+
+    while(true)
+    {
+        //Accept a new connection
+        if((err = listener.accept(client)) != fr::Socket::Success)
+        {
+            std::cerr << "Failed to accept new connection: " << err << std::endl;
+            continue;
+        }
+
+        //Receive client HTTP request
+        fr::HttpRequest request;
+        if((err = client.receive(request)) != fr::Socket::Success)
+        {
+            std::cerr << "Failed to receive request from client: " << err << std::endl;
+        }
+
+        //Construct a response
+        fr::HttpResponse response;
+        response.set_body("<h1>Hello, World!</h1>");
+
+        //Send it
+        if((err = client.send(response)) != fr::Socket::Success)
+        {
+            std::cerr << "Failed to send response to client: " << err << std::endl;
+        }
+
+        //Close connection
+        client.disconnect();
+    }
+}