Bump delphi-epidata version number

So the updated covidcast client can depend on 0.0.7 and ensure it has
as-of and issue support.

Author: capnrefsmmat

src/client/packaging/pypi/delphi_epidata/__init__.py

@@ -1,4 +1,4 @@
 from .delphi_epidata import Epidata
 
 name = 'delphi_epidata'
-__version__ = '0.0.6'
+__version__ = '0.0.7'

src/client/packaging/pypi/setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
   name='delphi_epidata',
-  version='0.0.6',
+  version='0.0.7',
   author='David Farrow',
   author_email='[email protected]',
   description='A programmatic interface to Delphi\'s Epidata API.',