rename SnackbarException -> SnackbarError

Author: ckcollab

README.md

@@ -160,20 +160,21 @@ if SLACK_WEBHOOK_URL:
 ```
 
 
-#### `SnackbarException`
+#### `SnackbarError`
 
 A little helper that when raised returns a JSON response to the user with a
 snackbar message. This message is automatically rendered as a snackbar by 
 Skeletor.
 
 ```py
 # views.py
-from ckc.exceptions import SnackbarException
+from ckc.exceptions import SnackbarError
+
 
 class TestExceptionsViewSet(APIView):
     def get(self, request, *args, **kwargs):
         # This will return {"snackbar_message": "Something went wrong"}
-        raise SnackbarException("Something went wrong")
+        raise SnackbarError("Something went wrong")
 ```
 
 #### `./manage.py` commands

ckc/exceptions.py

@@ -1,6 +1,6 @@
 from rest_framework.exceptions import ValidationError
 
 
-class SnackbarException(ValidationError):
+class SnackbarError(ValidationError):
     def __init__(self, message):
         super().__init__({'snackbar_message': message})

testproject/testapp/views.py

@@ -1,8 +1,8 @@
 from rest_framework.views import APIView
 
-from ckc.exceptions import SnackbarException
+from ckc.exceptions import SnackbarError
 
 
 class TestExceptionsViewSet(APIView):
     def get(self, request, *args, **kwargs):
-        raise SnackbarException('This is a test exception')
+        raise SnackbarError('This is a test exception')