Fixed HTTP version out of bounds error

server_http.hpp

@@ -739,12 +739,17 @@ namespace SimpleWeb {
                 return;
               }
             }
+            try {
               if(std::stof(response->session->request->http_version) >= 1.1) {
                 auto new_session = std::make_shared<Session>(this->config.max_request_streambuf_size, response->session->connection);
                 this->read(new_session);
                 return;
               }
             }
+            catch(...) {
+              return;
+            }
+          }
           else if(this->on_error)
             this->on_error(response->session->request, ec);
         });