Update readme file

Author: Daniel Jäckle

readme.md

@@ -142,6 +142,25 @@ not of a bootloader and the radio frequency band to be used.
 
 6. Changelog
 -------------
+2017-04-19, V4.3.2
+* General (Last release based on LoRaWAN specification 1.0.1)
+    1. This version has passed EU868 and US915 LoRa-Alliance compliance tests.
+    2. GitHub reported issues corrections.
+    3. Added an algorithm to automatically compute the Rx windows parameters. (Window symbolTimeout and Offset from downlink expected time)
+    4. Added a workaround to reset the radio in case a TxTimeout occurs.
+    5. Modified FSK modem handling to use the provided symbolTimeout (1 symbol equals 1 byte) when in RxSingle mode.
+    6. Added newly defined TxCw(Tx Continuous Wave) certification protocol command.
+    7. Added a fix for an overflow issue that could happen with NmeaStringSize variable.
+    8. Improved GpioMcuInit function to first configure the output pin state before activating the pin.
+
+* LoRaWAN
+    1. GitHub reported issues corrections.
+    2. Changed the AdrAckCounter handling as expected by the test houses.
+    3. Fix an issue where the node stopped transmitting.
+    4. Removed useless LoRaMacPayload buffer.
+    5. MAC layer indications handling simplification.
+    6. Relocate parameter settings from ResetMacParameters to the initialization.
+
 2017-02-27, V4.3.1
 * General
     1. This version has passed EU868 and US915 LoRa-Alliance compliance tests.