v1.16.9

ADDED:
* netx.IsPub
* encodingx/hexx

Rest are mostly small corrections and docs

iox/funcs_ctxio.go

@@ -26,6 +26,10 @@ func (c *CtxIO) GetChunkLen() (size uint) {
 	return c.l.GetChunkLen()
 }
 
+func (c *CtxIO) Len() (unread int) {
+	return c.buf.Len()
+}
+
 func (c *CtxIO) Read(p []byte) (n int, err error) {
 
 	var nr int64