updated changelog

Author: KaiSchwarz-cnic

HISTORY.md

@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [1.2.0](https://github.com/hexonet/python-sdk/compare/1.1.0...1.2.0)
+
+> 9 July 2018
+
+- introduced six for py2 and py3 support [`fa7403a`](https://github.com/hexonet/python-sdk/commit/fa7403a9b18dc11b9cf8c74da603c12cee01477a)
+- updated changelog [`a0f7e2f`](https://github.com/hexonet/python-sdk/commit/a0f7e2f3418d238f2d4884d786c0d62383d3d0c9)
+- apiconnector version 1.2.0 [`85ec52f`](https://github.com/hexonet/python-sdk/commit/85ec52f18007de6a9d37889cd1b20711968749fa)
+
 #### [1.1.0](https://github.com/hexonet/python-sdk/compare/1.0.0...1.1.0)
 
 > 9 July 2018