Update changelog

Author: sandeepmistry

CHANGELOG

@@ -1,3 +1,15 @@
+WiFi101 ??? - ???
+
+ * Fixed WiFi.status() hanging when shield is not present
+ * Fixed MAC address returning 00:00:00:00:00:00 with firmware version 19.3.0
+ * Fixed SSL write functionality with firmware version 19.3.0
+ * Fixed previous version of the library not working on the Uno and other boards that used PCINT's
+ * Added beginAP(...) API's to create access point with WEP passwords
+ * Fixed beginAP(...) channel off by one error
+ * Fixed WiFi.status() always returning WL_CONNECTED once connected, even if access point is disconnected later
+ * Added beginMulti API for Multicast UDP support
+ * Added MDNSResponder class and MDNS Web server example
+
 WiFi101 0.8.0 - 2016.02.15
 
 * Added example for Access Point web server (thanks @ladyada)