+2020 April 20; version 3.8.1
+ Add user guide which replaces the concatenation of man pages (RIC-328)
+
+2020 April 17; version 3.8.0
+ Add safe connect to avoid potential connect bug on Linux (RIC-332)
+
+ Change debugging in route table collector to avoid possible
+ segment fault when in level 2 debug (RIC-335)
+