Update readme

README.md

@@ -99,9 +99,10 @@
 | Method | Arguments |
 | - | - |
 | Create (static) | `asyncSocketsPool`, `srvAddr`, `connectTimeout=5` (int), `recvbufLen=4096` (int) | `connectAsync=True` (bool) |
-| AsyncRecvLine | `onDataRecv=None` (function), `onDataRecvArg=None` (object)`, timeoutSec=None` (int) |
+| AsyncRecvLine | `lineEncoding='UTF-8'`, `onLineRecv=None` (function), `onLineRecvArg=None` (object)`, timeoutSec=None` (int) |
 | AsyncRecvData | `size=None` (int), `onDataRecv=None` (function), `onDataRecvArg=None` (object), `timeoutSec=None` (int) |
 | AsyncSendData | `data` (bytes or buffer protocol), `onDataSent=None` (function), `onDataSentArg=None` (object) |
+| AsyncSendSendingBuffer | `size=None` (int), `onDataSent=None` (function), `onDataSentArg=None` (object) |
 | StartSSL | `keyfile=None`, `certfile=None`, `server_side=False`, `cert_reqs=ssl.CERT_NONE`, `ca_certs=None` |
 | StartSSLContext | `sslContext`, `serverSide=False` |
 - `onDataRecv` is a callback event of type f(xAsyncTCPClient, data, arg)
@@ -114,6 +115,7 @@
 | SrvAddr | Tuple of ip and port |
 | CliAddr | Tuple of ip and port |
 | IsSSL | Return True if SSL is used |
+| SendingBuffer | Return the existing buffer used to send data |
 | OnFailsToConnect | Get or set an event of type f(xAsyncTCPClient) |
 | OnConnected | Get or set an event of type f(xAsyncTCPClient) |