small changes

Author: bookman-dius

src/powersensor_local/__init__.py

@@ -13,6 +13,7 @@
 respectively.
 """
 __all__ = [ 'devices', 'listener', 'plug_api', 'plug_listener' ]
+__version__ = "2.0.0"
 from .devices import PowersensorDevices
 from .listener import PowersensorListener
 from .plug_api import PlugApi