closes #51 huobi public api url params
closes #51 huobi public api url params

tritoanst/ccxt,thijstriemstra/ccxt,ccxt/ccxt,ccxt/ccxt,aiueogawa/ccxt,ccxt/ccxt,thijstriemstra/ccxt,aiueogawa/ccxt,ccxt/ccxt,thijstriemstra/ccxt,tritoanst/ccxt,ccxt/ccxt,aiueogawa/ccxt,tritoanst/ccxt,thijstriemstra/ccxt,aiueogawa/ccxt,tritoanst/ccxt