Wait the debug thread has terminated before freeing PLC to avoid random segmentation fault.
Store working directory to globals copy, in order to be used in runtime.py.
[TOPOLOGY]
NetName=None
Nodes=0x02
Node16Present=0x01
Node16Name=DS401_Slave_GUI
Node16DCFName=DS401_Slave_Gui.eds
Node32Present=0x01
Node32Name=GUI2
Node32DCFName=DS401_Slave_Gui.eds
EDSBaseName=eds