Method version

src/cac.ts:112–116

* Show version number when `-v, --version` flags appear. *

(version: string, customFlags = '-v, --version')

   *
   */
  version(version: string, customFlags = '-v, --version'): this {
    this.globalCommand.version(version, customFlags)
    this.showVersionOnExit = true
    return this
  }

  /**
   * Add a global example.