Update version to correspond to next version in line - apparently 0.6 was skipped over last time.

setup.py

@@ -9,7 +9,7 @@ os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
 
 setup(
     name='django-auth-lti',
-    version='0.6',
+    version='0.7',
     packages=find_packages(),
     include_package_data=True,
     license='TBD License',  # example license