* Bugfix: Coinbase L3 Book would get in cycle of reconnecting due to missing sequence numbers * Feature: Kraken L2 Book Deltas * Feature: Book deltas streamlined and retain ordering * Feature: OKCoin exchange support * Feature: OKEx exchange support * Feature: Coinbene exchange support * Feature: Support Huobi Global and Huobi USA
0.20.2
Not secure
* Bugfix: Kraken REST API using wrong symbol for trades * Feature: Complete work on standardizing Bitfinex rest API * Bugfix: Allow index symbols on Bitmex
0.20.1
Not secure
* Feature: Trades sides are now labeled as Buy / Sell instead of Bid / Ask. * Feature: Support for the Huobi exchange * Bugfix: Change how exchange pairs are mapped for REST module - only map exchanges that are used * Bugfix 67: Ensure all trades report the taker's side
0.20.0
Not secure
* Feature 57: Write updates directly to MongoDB via new backend support * Feature 56: Experimental support for fine grained configuration per exchange * Feature 58: Support Kraken websocket API * Feature: Only generate trading pair conversions for configured exchanges * Feature: Historical trade data on REST API for Kraken
0.19.2
Not secure
* Feature 55: OHLCV aggregation method in backends plus support for user defined aggregators * Feature: EXX exchange support
0.19.1
Not secure
* Bugfix: Poloniex logging had bug that prevented reconnect on missing sequence number