+2020 August 4; Version 4.2.1
+ Add additional environment variable dump if RMR_LOG_VLEVEL set to
+ 4 at start.
+
+2020 August 3; Version 4.2.0
+ Add support for the RMR_RTREQ_FREQ environment variable to control
+ the request frequency for a new route table (default 5s if not
+ supplied). (RIC-630)
+
+2020 July 21; Version 4.1.4
+ Fix bug in SI95 -- possible use of pointer after free (RIC-626).
+
+2020 July 9; version 4.1.3
+ Allow RTS messages to be sent before the arrival of the initial
+ route table. Calls to RTS (heart beat responses) prior to the
+ initial route table load could cause a crash if a framework
+ blindly assumes that RTS is valid. (RIC-589)
+
+2020 June 22; version 4.1.2
+ Fix typo in RIC Message header file.
+
+ Add document for message type constants and the scripts
+ which generate them.
+
+2020 June 22; version 4.1.1
+ Add new message types to RIC header file for
+ RIC_ALARM (110)
+ RIC_ALARM_QUERY (111)
+ RIC_METRICS (120)
+ RAN_E2_RESET_REQ (12008)
+ RAN_E2_RESET_RESP (12009)
+
+2020 June 18; version 4.1.0
+ Bump version minor to move away from 4.0.* which will bump for any
+ patches applied back to bronze.
+
+ Add magic C++ goo to symtab header file allowing C++ xAPPs to use
+ the symbol table directly.
+
+2020 May 06; version 4.0.5
+ Fix the bug in SI95 receive message management semaphore count
+ issue. (RIC-355)
+
+2020 April 29; version 4.0.4
+ Fix the traffic steering message type constants (again) (RIC-342)
+
+2020 April 28; version 4.0.3
+ Fix sonar flagged bugs (RIC-78)
+
+2020 April 24; version 4.0.2
+ Correct bug in SI95 transport header length validation (RIC-341)
+
+2020 April 22; version 4.0.1
+ Correct message type constant for Traffic Steering predication (RIC-342)
+