Added keep-alive support to the http server.

include/server/connection.hpp

@@ -65,6 +65,9 @@ class Connection : public std::enable_shared_from_this<Connection>
     std::vector<char> compressed_output;
     // Header compression_header;
     std::vector<boost::asio::const_buffer> output_buffer;
+    //Keep alive support
+    bool keep_alive = false;
+    short processed_requests = 512;
 };
 }
 }