Implement copy magic methods on Model

- Add Model.__copy__
- Add Model.__deepcopy__

warlock/model.py

@@ -25,6 +25,7 @@ from . import exceptions
 
 
 class Model(dict):
+
     def __init__(self, *args, **kwargs):
         # we overload setattr so set this manually
         d = dict(*args, **kwargs)
@@ -91,6 +92,12 @@ class Model(dict):
     def copy(self):
         return copy.deepcopy(dict(self))
 
+    def __copy__(self):
+        return self.copy()
+
+    def __deepcopy__(self, memo):
+        return copy.deepcopy(dict(self), memo)
+
     def update(self, other):
         mutation = dict(self.items())
         mutation.update(other)