bump version to 0.7.0

This commit is unique in that it supports Python 2.7

dask_kubernetes/__init__.py

@@ -4,4 +4,4 @@
 
 __all__ = [KubeCluster]
 
-__version__ = '0.6.0'
+__version__ = '0.7.0'

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='dask-kubernetes',
-    version='0.6.0',
+    version='0.7.0',
     description='Native Kubernetes integration for Dask',
     url='https://github.com/dask/dask-kubernetes',
     keywords='dask,kubernetes,distributed',
@@ -15,4 +15,5 @@
     long_description=(open('README.rst').read() if exists('README.rst') else ''),
     zip_safe=False,
     install_requires=list(open('requirements.txt').read().strip().split('\n')),
+    python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*',
 )