Update version number

Whoops!  The version that was pushed to PyPI is correct, but I forgot to
commit the change.

README.rst

@@ -69,4 +69,5 @@ To run the unit tests, run::
 This will test the Sink class only if a PD Buddy Sink is plugged in and in
 setup mode, so make sure that's the case if you're testing any changes to the
 Sink class.  Also, make sure the Status LED is blinking quickly when the tests
-are run, since that's the only real way to test the ``identify`` command.
+are run, since that's the only real way to test the ``identify`` command.  Be
+aware that the Sink's configuration will get clobbered by the tests.

setup.py

@@ -5,7 +5,7 @@ with open("README.rst") as file:
 
 setup(
     name = "pd-buddy-python",
-    version = "0.1.0",
+    version = "0.2.0",
     author = "Clayton G. Hobbs",
     author_email = "clay@lakeserv.net",
     description = ("Python library for configuring PD Buddy Sink devices"),