v1.20.0.rc8

- ## New Features
* Pymesh Border Router

## Improvments
* Added API to Enable/Disable Bluetooth modem Sleep
* Merged IDF_V3.1 updates from Essprisif
* Amended Micropython Error Codes with ESP, LWIP, MBEDTLS, DNS error codes
* Updated Sqnsupgrade lib to v1.2.3

## Bug Fixes
* Fix Issue: #265 - Wifi not resuming after 2nd light sleep wakeup cycle
* Fix Uart crash Issue when UART I/O functions are called after deinit - Issue #256

Author: iwahdan88

esp32/pycom_version.h

@@ -10,7 +10,7 @@
 #ifndef VERSION_H_
 #define VERSION_H_
 
-#define SW_VERSION_NUMBER                              "1.20.0.rc7.2"
+#define SW_VERSION_NUMBER                              "1.20.0.rc8"
 
 #define LORAWAN_VERSION_NUMBER                         "1.0.2"