Bump package versions for release on 2019-07-17 (#140)

azure-iot-device/.bumpverion.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.0.0-preview.7
+current_version = 2.0.0-preview.8
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)-preview\.(?P<preview>\d+)
 serialize = {major}.{minor}.{patch}-preview.{preview}
 

azure-iot-device/setup.py

@@ -30,7 +30,7 @@ with open("README.md", "r") as fh:
 
 setup(
     name="azure-iot-device",
-    version="2.0.0-preview.7",
+    version="2.0.0-preview.8",
     description="Microsoft Azure IoT Device Library",
     license="MIT License",
     url="https://github.com/Azure/azure-iot-sdk-python-preview",