Resolve "Add zsh, fish, and bash shell completion helper function generation as well as the related command"

Closes #4 (closed)

NodeApp/src/commander/completion/subcommands/CompletionBashCommand.ts

@@ -9,9 +9,9 @@ import TextStyle                           from '../../../types/TextStyle';
 class CompletionBashCommand extends CommanderCommand {
     protected commandName: string = 'bash';
 
-    protected defaultFilename: string = './dojo_bash_completion.sh';
+    private defaultFilename: string = './dojo_bash_completion.sh';
 
-    writeFile(filename: string) {
+    private writeFile(filename: string) {
         const spinner: ora.Ora = ora('Writing Bash completion...').start();
 
         try {