Testing and fully working getnodes command

groundStation/addnode

groundStation/getnodes

groundStation/getoutput

groundStation/getparam

groundStation/getsource

groundStation/setparam

groundStation/setsource

groundStation/src/backend/backend.c

groundStation/src/backend/nodes.c

groundStation/src/backend/output.c

groundStation/src/backend/source.c

groundStation/src/cli/cli_nodes.c

groundStation/src/frontend/frontend_nodes.c

groundStation/src/frontend/frontend_nodes.h