Fix bug in Type.from_json() parsing simple entries

Should fix #850 & #851

Author: cderici

juju/client/facade.py

@@ -689,7 +689,7 @@ def from_json(cls, data):
                             cls.splitEntries(v, d)
                 else:
                     # this is a simple entry
-                    cls.splitEntries(v, d)
+                    cls.splitEntries(entry, d)
             return cls(**d)
         return None