+2020 February 14; version 3.1.3
+ Fix bug in SIsend which was causing a core dump in some cases
+ where the application attempted to send on a connection that
+ had disconnected. (RIC-207).
+
+2020 February 6; version 3.1.2
+ Fix disconnection detection bug in interface to SI95.
+
+2020 January 31; verison 3.1.1
+ Allow route table thread logging to be completely disabled
+ when logging is turned off.
+
+2020 January 26; verison 3.1.0
+ First step to allowing the user programme to control messages
+ written to standard error. Introduces the rmr_set_vlevel()
+ function, and related environment variable.
+
+2020 January 24; verison 3.0.5
+ Fix bug in SI95 with receive buffer allocation.
+
+2020 January 23; verison 3.0.4
+ Fix bug in SI95 causing excessive CPU usage on poll.
+
+2020 January 22; verison 3.0.3
+ Enable thread support for multiple receive threads.
+
+2020 January 21; verison 3.0.2
+ Fix bug in SI95 (missing reallocate payload function).
+
+2020 January 20; verison 3.0.1
+ Enable support for dynamic route table updates via RMR session.
+
+2020 January 16; version 3.0.0
+ Introduce support for SI95 transport library to replace NNG.
+ (RMR library versions will use leading odd numbers to avoid tag collisions
+ with the wrapper tags which will use even numbers.)
+
+2019 December 9; version 1.13.1
+ Correct documentation and missing rel-notes update for RTD.
+
+2019 December 6; version 1.13.0
+ Add ability to route messages based on the MEID in a message combined
+ with the message type/subscription-ID.
+
+
+2019 November 14; version 1.11.1 (Amber)
+ Fix bug in payload reallocation function; correct length of payload
+ was not always copied.
+
+2019 November 13; version 1.12.1
+ New message type constants added to support A1.
+
+2019 November 4; version 1.11.0 (Amber)
+ Version bump to move away from the 1.10.* to distinguish between
+ release A and the trial.
+
+2019 November 7; version 1.12.0
+ Version cut to support continued development for next release
+ preserving the 1.11.* versions for release 1 (Amber) and
+ related fixes.
+
+2019 October 31; version 1.10.2
+ Provide the means to increase the payload size of a received message
+ without losing the data needed to use the rmr_rts_msg() funciton.
+
+2019 October 21; version 1.10.1
+ Fix to prevent null message buffer from being returned by the timeout
+ receive function if the function is passed one to reuse.
+
+2019 October 21; version 1.10.1
+ Add periodic dump of send count info to stderr.
+
+2019 September 27; version 1.9.0
+ Python bindings added receive all queued function and corrected a unit test
+
+2019 September 25; version 1.8.3
+ Correct application level test issue causing timing problems during
+ jenkins verification testing at command and merge
+
+ Handle the NNG connection shutdown status which may now be
+ generated when a connection throug a proxy is reset.
+