Update changelog and bump version

Author: M65649

CHANGELOG.md

@@ -112,3 +112,14 @@ No changes
 * Fix a bug where the NTP sync would not retry if it failed
 * Fix a bug where the NTP sync would retry if cellular network got disconnected while doing the sync
 * Fix a bug where the LEDs weren't returned to the previous state after a power save 
+
+# 1.3.1
+
+## Changes
+* Turn off more modules in low power to save more power
+* Add hardware-in-the-loop testing
+
+## Bugfixes
+* Fix a bug where it would take some time before the board was actually in power down mode
+* Fix a bug where waking up from power down mode would reset the board
+* Fix a bug where it was wrongly reported that the SIM card was not ready

examples/sandbox/sandbox.ino

@@ -3,7 +3,7 @@
  * experience
  */
 
-#define SANDBOX_VERSION "1.3.0"
+#define SANDBOX_VERSION "1.3.1"
 
 #include <ArduinoJson.h>
 #include <ecc608.h>

library.properties

@@ -1,5 +1,5 @@
 name=AVR-IoT-Cellular
-version=1.3.0
+version=1.3.1
 author=Microchip Technology Inc. <simen.gangstad@microchip.com>
 maintainer=Microchip Technology Inc. <simen.gangstad@microchip.com>
 sentence=Library for the AVR-IoT Cellular Mini Board