fetch data by ID

src/sipcentric/__init__.py

@@ -147,6 +147,9 @@ class APIObject(object):
     @property
     def data(self):
         if self._data is None:
+            if self.id:
+                self._data = self._api.get(self.makeUrl(id=self.id))
+            else:
                 self._data = self._api.get(self.makeUrl())
         return self._data