Release 1.6.0a1 (#6273)

Author: crwilcox

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## 1.6.0a1
+
+10-18-2018 16:26 PDT
+
+### New Features
+- Add methods to api_core used by new autogenerator. ([#6267](https://github.com/googleapis/google-cloud-python/pull/6267))
+
+### Internal / Testing Changes
+- Fix branch coverage for un-called callbacks. ([#6242](https://github.com/googleapis/google-cloud-python/pull/6242))
+- Fix import order, appeasing lint. ([#6240](https://github.com/googleapis/google-cloud-python/pull/6240))
+- Add / fix badges for PyPI / versions. ([#6158](https://github.com/googleapis/google-cloud-python/pull/6158))
+
 ## 1.5.0
 
 ### New Features

setup.py

@@ -22,7 +22,7 @@
 
 name = 'google-api-core'
 description = 'Google API client core library'
-version = '1.5.0'
+version = '1.6.0a1'
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'