Asynchronous HTTP and WebSocket Server Library for many boards besides ESP8266, using W5x00 or ENC28J60 Ethernet. Currently supporting only ESP8266. This is Asynchronous HTTP and WebSocket Server Library for ESP8266 using W5x00 or ENC28J60 Ethernet with lwIP_5100, lwIP_5500 or lwIP_enc28j60 library. Now supporting using CString to save heap to send very large data