Add the "lights" property from the groups API (#8)

* Add the "lights" property from the groups API, per #6

* Exposing all available properties of the Scenes object

aiohue/groups.py

@@ -47,6 +47,10 @@ def state(self):
     def type(self):
         return self.raw['type']
 
+    @property
+    def lights(self):
+        return self.raw['lights']
+
     async def set_action(self, on=None, bri=None, hue=None, sat=None, xy=None,
                          ct=None, alert=None, effect=None, transitiontime=None,
                          bri_inc=None, sat_inc=None, hue_inc=None, ct_inc=None,

aiohue/scenes.py

@@ -21,3 +21,37 @@ def __init__(self, id, raw, request):
     @property
     def name(self):
         return self.raw['name']
+
+    @property
+    def lights(self):
+        return self.raw['lights']
+
+    @property
+    def owner(self):
+        return self.raw['owner']
+
+    @property
+    def recycle(self):
+        return self.raw['recycle']
+
+    @property
+    def locked(self):
+        return self.raw['locked']
+
+    @property
+    def appdata(self):
+        return self.raw['appdata']
+
+    @property
+    def picture(self):
+        return self.raw['picture']
+
+    @property
+    def lastupdated(self):
+        return self.raw['lastupdated']
+
+    @property
+    def version(self):
+        return self.raw['version']
+
+