code: function Option(flags, description) {
    this.flags = flags;
    this.required = ~flags.indexOf('<');
    this.optional = ~flags.indexOf('[');
    this.bool = !~flags.indexOf('-no-');
    flags = flags.split(/[ ,|]+/);
    if (flags.length > 1 && !/^[[<]/.test(flags[1])) this.short = flags.shift();
    this.long = flags.shift();
    this.description = description || '';
  }
docs: Initialize a new `Option` with the given `flags` and `description`.
  
  @param {String} flags
  @param {String} description
  @api public