Add Changelog

CHANGELOG.md

@@ -0,0 +1,25 @@
+# Change Log
+
+## v0.1.17
+
+* New Features
+    * Gemini Market feed! Thanks @github-ajt
+* Bug Fixes
+    * Handle new API feed messages for GDAX
+    * GDAX Feed messages handle error messages more elegantly. Thanks @kostola
+* Other
+    * Use CircleCI for integration testing on Github
+
+## v0.1.16
+
+Bug fixes and basic CCXT integration. There are quite a few bugfixes as well as public REST support for some 70 exchanges :)
+
+## v0.1.13
+
+* New Exchange support: Bittrex
+* New Core filters:
+    * Product splitter (split a feed stream by product, with proper backpressure handling)
+
+## v0.1.12
+
+* Add ProductSplitter