Revision 0.1.1 of client subscription library
23/04/2019: S2OPC_Toolkit_FEPNG_0.0.1
S2OPC_FREERTOS_0.1.0
S2OPC_FREERTOS_0.2.0
S2OPC_FREERTOS_0.3.0
S2OPC_FREERTOS_0.4.0
03/09/2019: S2OPC_Toolkit_0.7.0 delivery
03/09/2019: S2OPC_LibSub_0.1.4 delivery
18/09/2019: tag of S2OPC_Toolkit_0.7.1
18/09/2019: tag of S2OPC_LibSub_0.1.5
03/10/2019: S2OPC_Toolkit_0.7.2
03/10/2019: S2OPC_LibSub_0.1.6
14/10/2019: S2OPC_Toolkit_0.8.0
14/10/2019: S2OPC_LibSub_0.1.7