Mark bigquery as back under dev after 0.29.0 release. (#4691)

Author: tseaver

bigquery/CHANGELOG.md

@@ -4,6 +4,10 @@
 
 [1]: https://pypi.org/project/google-cloud-bigquery/#history
 
+## 0.29.1 (unreleased)
+
+- TBD
+
 ## 0.29.0
 
 ### Interface changes / additions

bigquery/setup.py

@@ -64,7 +64,7 @@
 
 setup(
     name='google-cloud-bigquery',
-    version='0.29.0',
+    version='0.29.1.dev1',
     description='Python Client for Google BigQuery',
     long_description=README,
     namespace_packages=[