Fix: no help on empty command line.

src/config.nim

@@ -392,7 +392,7 @@ proc processArguments*(msg: var string): ConfigStatus =
       break
 
   if length == 0 and result == Success:
-    msg = getHelpString()
+    # msg = getHelpString()
     result = Success
 
 proc processConfig*(pathname: string): ConfigStatus =

src/nimbus.nim

@@ -20,8 +20,11 @@ when isMainModule:
       echo message
 
   var disc4: Discovery4Service
-  echo disc4.init()
-  echo disc4.configure()
-  echo disc4.errorMessage()
-  echo disc4.start()
-  echo disc4.errorMessage()
+  if disc4.init() != ServiceStatus.Success:
+    quit(QuitFailure)
+  if disc4.configure() != ServiceStatus.Success:
+    echo disc4.errorMessage()
+    quit(QuitFailure)
+  if disc4.start() != ServiceStatus.Success:
+    echo disc4.errorMessage()
+    quit(QuitFailure)