2.13.0 (2018-11-07)

Bug Fixes

• add missing string type for realpathSync's options argument (2f0c93c)
• fix chmod to actually change mode (de5aca6)
• fix private openFile function (be5654b)
• fix toUnixTimestamp when converting Date objects (a8c8998)
• fix TypeScript 2322 error (a5e99fe)
• fix TypeScript 2554 error (5a32a4e)

Features

• add detection of Promise support (4750aee)
• add experimental warning (2828f6a)
• add promises API (6ef63d5), closes #147