Merge pull request #4 from bradbishop/sensors-propertycacher

Move sensors.py and propertycacher.py frm skeleton
diff --git a/obmc/dbuslib/bindings.py b/obmc/dbuslib/bindings.py
index 51b9e59..c7da8b8 100644
--- a/obmc/dbuslib/bindings.py
+++ b/obmc/dbuslib/bindings.py
@@ -90,7 +90,7 @@
     @dbus.service.method(
         "org.openbmc.Object.Properties", in_signature='sa{sv}')
     def SetMultiple(self, interface_name, prop_dict):
-        if (interface_name in self.properties):
+        if (interface_name not in self.properties):
             self.properties[interface_name] = {}
 
         value_changed = False
diff --git a/obmc/dbuslib/enums.py b/obmc/dbuslib/enums.py
index 910594a..e9c0e72 100644
--- a/obmc/dbuslib/enums.py
+++ b/obmc/dbuslib/enums.py
@@ -18,6 +18,7 @@
 
 DBUS_OBJMGR_IFACE = dbus.BUS_DAEMON_IFACE + '.ObjectManager'
 DBUS_UNKNOWN_INTERFACE = 'org.freedesktop.UnknownInterface'
+DBUS_UNKNOWN_SERVICE = 'org.freedesktop.DBus.Error.ServiceUnknown'
 DBUS_UNKNOWN_PROPERTY = 'org.freedesktop.DBus.Error.UnknownProperty'
 DBUS_UNKNOWN_METHOD = 'org.freedesktop.DBus.Error.UnknownMethod'
 DBUS_INVALID_ARGS = 'org.freedesktop.DBus.Error.InvalidArgs'