Hilles M.

Hello, In your library, it will be very awesome to add **timeout** **option** that will be passed to the request and control it. Because sometimes when we using some proxies,...

https://github.com/ViewBlock/binance-api-node/blob/8e2450791e6afc0aa2b6797f097ffccd0c5ab8b3/index.d.ts#L477 can we here edit `symbol` to `symbols` and define it as string[]