Merge pull request #368 from Jaagrav/master

Fix support for additional arguments in DefaultCommand

src/main/java/org/ballerinalang/command/cmd/DefaultCommand.java

@@ -20,6 +20,7 @@
 import picocli.CommandLine;
 
 import java.io.PrintStream;
+import java.util.List;
 
 /**
  * This class represents the "default" command required by picocli.
@@ -37,6 +38,9 @@ public class DefaultCommand extends Command implements BCommand {
     @CommandLine.Option(names = { "--version", "-v" }, hidden = true)
     private boolean versionFlag;
 
+    @CommandLine.Parameters(description = "Help command name")
+    private List<String> helpCommands;
+
     public DefaultCommand(PrintStream printStream) {
         super(printStream);
     }