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

@@ -26,7 +26,7 @@ For more details: <https://github.com/scop/bash-completion/blob/master/README.md
             console.log(`Bash completion successfully written.`)
             console.log(`${installInstructions}`)
         } catch (error) {
-            console.log(`Error: ${error}, failed to write ${filename}`)
+            console.log(`Error: ${error}.`)
         }
     }