Update setup.py

Author: Danielhiversen

setup.py

@@ -4,7 +4,7 @@
     name = 'PySwitchbot',
     packages = ['switchbot'],
     install_requires=['bluepy'],
-    version = '0.2',
+    version = '0.3',
     description = 'A library to communicate with Switchbot',
     author='Daniel Hoyer Iversen',
     url='https://github.com/Danielhiversen/pySwitchbot/',